9R Spring Drive
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Grand Seiko 9R Spring Drive
Spring Drive is Seiko’s exclusive movement that achieves an unprecedented level of accuracy (+/- 15 seconds per month on average, equivalent to +/- 1 second per day) by regulating a spring-driven watch with state-of-the-art electronic technology that functions without batteries or other external power source.
One of its unique features is a true continuously sweeping second hand, instead of the traditional beats per time unit as seen with traditional mechanical and most quartz watches. (Wikipedia)
Grand Seiko 9R Spring Drive uses a mainspring, barrel, automatic winder and stem winding like in a mechanical watch to store the watch energy. The conventional escapement is replaced with a device that Seiko calls a Tri-synchro Regulator to regulate the unwinding of the mainspring. The regulator controls the use of the three forms of energy used in the Spring Drive mechanism; the mechanical power of the mainspring, the electrical energy generated from this mechanical power, and the electromagnetic energy that governs the rotation of the glide wheel.
As one of the very few fully integrated watch manufactures in the world, Grand Seiko possesses a mastery over the full breadth of the watchmaking process from the research and development of component materials to manufacture, assembly, adjustment, inspection and shipment.
Grand Seiko defines the essence of watchmaking in the elements of precision, beauty, legibility, durability and ease-of-use. As a world-leading watch manufacture, it embodies that very essence in the unrivaled quality in every watch presented to the world.
— The Shinshu Watch Studio drives innovative ideas and novel technologies behind the ultimate quartz watches and Seiko’s exclusive Spring Drive watches.
Each of these pre-eminent watch studios plays a pivotal role in combining the cutting-edge technology and masterful craftsmanship necessary to reach the pinnacle of quality.
GRAND SEIKO SBGC253
Grand Seiko SBGC253 Specifications
- Exterior
Case Material High intensity titanium Case Back See-through screw Glass Material Dual-curved sapphire crystal Glass Coating Anti-reflective coating on inner surface LumiBrite LumiBrite on hands, index(es) and bezel Band Material High intensity titanium bracelet Bezel Material Fixed high intensity titanium with sapphire insert and luminous arabic numerals per 2 hours scale Dial Color Ivory white features lion's mane texture pattern with engraved Grand Seiko logo below the 11 o’clock position and GMT logo at 6 o’clock position Dial Hands Luminous Zaratsu polished stainless steel hour, minute, second hand Dial Markers Luminous batons indexes with Zaratsu polished silver tone stainless steel markers Second markers Minutes markers around the outer rim Crown Silver tone screw down at 3 o'clock position Case size Diameter 44.5 mm × Thickness 16.8 mm Lug to lug 50 mm Band width 23 mm The perimeter of Band 198 mm Clasp type Three-fold clasp with secure lock and push button release and extender with micro-adjustment - Movement
Caliber no 9R86 Instructions Movement Type Spring Drive Power reserve Approximately 72 hours (3 days) Accuracy ±1 second per day (±15 seconds per month) - Functions / Specifications
Water resistance 20 bar / 200 m Magnetic resistance Equipped (4,800 A/m) Weight 158 g Functions Hour, minute, second hand, 24-hour hand, chronograph, power reserve display, date window at 3 o'clock Features - 50 jewels
- Date display
- Three-fold clasp with secure lock
- 24-hour hand (dual time display function)
- Chronograph with 30 minutes & 12 hours
- Power reserve indicator
- Calendar-linked time difference adjustment function
- Screw-down crown
- See-through screw case back
GRAND SEIKO SBGA481
Grand Seiko SBGA481 Specifications
- Exterior
Case Material High intensity titanium Case Back See-through screw Glass Material Dual-curved sapphire crystal Glass Coating Anti-reflective coating on inner surface LumiBrite LumiBrite on hands, index(es) and bezel Band Material High intensity titanium 3-link bracelet Bezel Material Fixed high intensity titanium with 60-minute insert in black Dial Color White ivory lion's mane pattern with engraved Grand Seiko logo below the 12 o’clock position and Spring Drive logo at 6 o’clock position Dial Hands Luminous Zaratsu polished stainless steel hour, minute, with red tipped second hand Dial Markers Luminous batons indexes with Zaratsu polished silver tone stainless steel markers Second markers Minutes markers around the outer rim Crown Silver tone screw down at 3 o'clock position Case size Diameter 44.5 mm × Thickness 14.3 mm Lug to lug 50 mm Band width 23 mm The perimeter of Band 201 mm Clasp type Three-fold clasp with secure lock and push button release, solid and slide adjuster - Movement
Caliber no 9R65 Instructions Movement Type Spring Drive Power reserve Approximately 72 hours (3 days) Accuracy ±1 second per day (±15 seconds per month) - Functions / Specifications
Water resistance 20 bar / 200 m Magnetic resistance Equipped (4,800 A/m) Weight 148 g Functions Hour, minute, second hand, power reserve display, date window at 3 o'clock Features - 30 jewels
- Date display
- Three-fold clasp with secure lock
- Power reserve indicator
- Screw case back
- Screw-down crown
- See-through case back
GRAND SEIKO SLGA023
Grand Seiko SLGA023 Specifications
- Exterior
Case Material High intensity titanium Case Back See-through screw Glass Material Sapphire crystal Glass Coating Anti-reflective coating on inner surface LumiBrite LumiBrite on hands, index(es) and bezel Band Material High intensity titanium 3-link bracelet Bezel Material Unidirectional high intensity titanium with 60-minute insert in blue ceramic Dial Color Blue Ushio with wave-like texture Dial Hands Zaratsu polished stainless steel silver tone hour, minute, with white, black, silver tone second hand Dial Markers Dots indexes and batons indexes at 6, 9 and 12 o'clock position with Zaratsu polished silver tone stainless steel markers Second markers Minutes markers around the outer rim Crown Silver tone screw down at 3 o'clock position Case size Diameter 43.8 mm × Thickness 13.8 mm Lug to lug 51.5 mm Band width 23 mm The perimeter of Band 185 mm Clasp type Three-fold clasp with secure lock and push button release, solid and slide adjuster - Movement
Caliber no 9RA5 Instructions Movement Type Spring Drive Power reserve Approximately 120 hours (5 days) Accuracy ±0.5 second per day (±10 seconds per month) - Functions / Specifications
Water resistance 20 bar / 200 m Magnetic resistance Equipped (4,800 A/m) Weight 150 g Functions Hour, minute, second hand, power reserve display, date window at 3 o'clock Features - 38 jewels
- Date display
- Unidirectional rotating bezel
- Three-fold clasp with secure lock
- Power reserve indicator
- Screw case back
- Screw-down crown
- See-through case back
GRAND SEIKO SBGE295
Grand Seiko SBGE295 Specifications
- Exterior
Case Material Stainless steel Case Back Screw Glass Material Dual-curved sapphire crystal Glass Coating Anti-reflective coating on inner surface LumiBrite Lumibrite on hands, indexes and bezel Band Material Stainless steel Bezel Material Bidirectional rotating 24 hours stainless steel with green and white sapphire insert Dial Color Green texture that designed to capture the brilliance of Hotaka's short summer with engraved Grand Seiko logo below the 12 o’clock position and GMT logo at 6 o'clock position Dial Hands Tempered luminous tone hour, minute, second hand and silver tone arrow-tipped GMT hand with Zaratsu polished Dial Markers Luminous batons indexes with Zaratsu polished Second Markers Two tone inner flange with 24 hours scale for day/night indication and minutes markers around the outer rim Crown Screw down at 4 o'clock position Case size Diameter 44 mm × Thickness 14.7 mm Lug-to-lug 50.8 mm Band width 21 mm The perimeter of Band 194 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9R66 Instructions Movement Type Spring Drive Power Reserve Approximately 72 hours (3 days) Accuracy ±15 seconds per month (±1 second per day) - Functions / Specifications
Water resistance 20 bar / 200 m Magnetic resistance Equipped (4,800 A/m) Weight 186 g Functions Hour, minute, second hand, GMT hand, date window at 4 o'clock, power reserve display Features - 24-hour hand (dual time display function)
- 30 jewels
- Calendar-linked time difference adjustment function
- Date display
- Power reserve indicator
- Rotating bezel (24-hour display)
- Screw case back
- Screw-down crown
GRAND SEIKO SLGA019
Grand Seiko SLGA019 Specifications
- Exterior
Case Material High intensity titanium Case Back See-through screw Glass Material Dual-curved sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material High intensity titanium 3-link bracelet Bezel Material Fixed high intensity titanium Dial Color Medium blue with embossed Lake Suwa's wave pattern Dial Hands Zaratsu polished stainless steel silver tone hour, minute, second hand Dial Markers Batons indexes with Zaratsu polished silver tone stainless steel markers Second markers Matte blue inner flange with minutes track markers around the outer rim Crown Silver tone screw down at 3 o'clock position Case size Diameter 40 mm × Thickness 11.8 mm Lug to lug 47.9 mm Band width 22 mm The perimeter of Band 195 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9RA2 Instructions Movement Type Spring Drive Power reserve Approximately 120 hours (5 days) Accuracy ±0.5 second per day (±10 seconds per month) - Functions / Specifications
Water resistance 10 bar / 100 m Magnetic resistance Equipped (4,800 A/m) Weight 112 g Functions Hour, minute, second hand, power reserve display, date window at 3 o'clock Features - 38 jewels
- Case back with lion emblem
- Date display
- Power reserve indicator
- Screw case back
- Screw-down crown
- See-through case back
- Allergy-safe metal
GRAND SEIKO SLGA021
Grand Seiko SLGA021 Specifications
- Exterior
Case Material Stainless steel Case Back Silver tone see-through screw Glass Material Dual-curved sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material Silver tone stainless steel Bezel Material Fixed polished stainless steel Dial Color Deep blue embossed wave pattern with engraved Grand Seiko logo below the 12 o’clock position and Spring Drive 5 Days logo at 6 o'clock position Dial Hands Zaratsu polished stainless steel silver tone hour, minutes and second hand Dial Markers Indexes with Zaratsu polished silver tone stainless steel markers Crown Silver tone screw down at 3 o'clock position Case size Diameter 40 mm × Thickness 11.8 mm Lug to lug 47.9 mm Band width 22 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9RA2 Instruction Movement Type Spring Drive Power reserve Approximately 120 hours (5 days) Accuracy ±10 seconds per month (±0.5 second per day) - Functions / Specifications
Water resistance 10 bar Magnetic resistance Equipped (4,800 A/m) Functions Hour, minute, second hand, date window at 3 o'clock Features - 38 jewels
- Case back with lion emblem
- Date display
- Power reserve indicator
- Screw case back
- Screw-down crown
- See-through case back
GRAND SEIKO SBGY013
Grand Seiko SBGY013 Specifications
- Exterior
Case Material Stainless steel Case Back Silver tone see-through screw with etched Grand Seiko logo Glass Material Dual-curved sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material Silver tone stainless steel nine-link bracelet Bezel Material Fixed polished stainless steel Dial Color Domed and textured ice-white inspired by snow-covered frozen surface of Lake Suwa with with engraved Grand Seiko logo below the 12 o’clock position, minute markers and Spring Drive logo at 6 o'clock position Dial Hands Tempered grey silver tone hour, minute, blue colored second hand with Zaratsu polished Dial Markers Grey silver tone batons with Zaratsu polished Crown Silver tone screw down at 3 o'clock position Case size Diameter 38.5 mm × Thickness 10.2 mm Lug to lug 43.7 mm Band width 19 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9R31 Instructions Movement Type Spring Drive Power reserve Approximately 72 hours (3 days) Accuracy ±15 seconds per month (±1 second per day) - Functions / Specifications
Water resistance Splash Resistant Magnetic resistance Equipped (4,800 A/m) Functions Hour, minute, second hand Features - 30 jewels
- See-through screw case back
- Power reserve indicator
GRAND SEIKO SBGY011
Grand Seiko SBGY011 Specifications
- Exterior
Case Material Stainless steel Case Back Silver tone see-through screw with etched Grand Seiko logo Glass Material Box shaped sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material Black crocodile leather Bezel Material Fixed polished stainless steel Dial Color White with Asaborake textured Dial Hands Zaratsu polished stainless steel silver tone hour, minutes and blue second hand Dial Markers Indexes with Zaratsu polished silver tone stainless steel markers Crown Silver tone screw down at 3 o'clock position Case size Diameter 40 mm × Thickness 10.5 mm Lug to lug 46.2 mm Band width 19 mm The perimeter of Band 195 mm Clasp type Stainless steel folding buckle - Movement
Caliber no 9R31 Instructions Movement Type Spring Drive Power reserve Approximately 72 hours (3 days) Accuracy ±15 seconds per month (±1 second per day) - Functions / Specifications
Water resistance 10 bar Magnetic resistance Equipped (4,800 A/m) Weight 77 g Functions Hour, minute, second hand Features - 30 jewels
- See-through screw case back
- Power reserve indicator
GRAND SEIKO SBGC251
Grand Seiko SBGC251 Specifications
- Exterior
Case Material High-intensity titanium Case Back Screw see-through Glass Material Dual-curved sapphire crystal Glass Coating Anti-reflective coating on inner surface LumiBrite LumiBrite on hands, indexes and bezel Band Material High-intensity titanium bracelet Bezel Material Bi-directional smooth (no clicks) with 24 hours insert in black high-intensity titanium Dial Color Sunray brushed black dial - applied faceted markers and hands with engraved Grand Seiko logo below the 11 o’clock position, minute markers around the outer rim and GMT logo at 6 o'clock position Dial Hands Tempered grey silver tone hour, minute, second hand with blue GMT and grey silver tone chronograph hand with Zaratsu polished Dial Markers Grey silver tone batons and GMT arabic numerals with Zaratsu polished Crown Screw down at 3 o'clock position Case size Diameter 45.3 mm × Thickness 15.8 mm Lug-to-lug 52.6 mm Band width 23 mm The perimeter of Band 197 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9R86 Instructions Movement Type Spring Drive Power Reserve Approximately 72 hours (3 days) Accuracy ±15 seconds per month (±1 second per day) - Functions / Specifications
Water resistance 10 bar / 100 m Magnetic resistance Equipped (4,800 A/m) Functions Hour, minute, second hand, GMT hand, date window at 3 o'clock, chronograph, power reserve display Features - 24-hour hand (dual time display function)
- 50 jewels
- Allergy-safe metal
- Calendar-linked time difference adjustment function
- Chronograph with 30 minutes & 12 hours
- Power reserve indicator
- Screw case back
- Screw-down crown
- See-through case back
- Rotating bezel
GRAND SEIKO SLGA015
Grand Seiko SLGA015 Specifications
- Exterior
Case Material High-intensity titanium Case Back Screw Glass Material Sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material High-intensity titanium Bezel Material Unidirectional rotating titanium per 10 minutes scale Dial Color Deep black with wave-like texture - applied markers and hands, faceted and polished, with luminous material Dial Hands Zaratsu polished stainless steel grey silver tone hour, minutes and white, black, silver tone second hand Dial Markers Dots indexes with batons indexes at 6, 9 and double width index at 12 o'clock with Zaratsu polished silver tone stainless steel markers LumiBrite LumiBrite on hands, indexes and bezel Crown Silver tone screw down at 3 o'clock position Case size Diameter 43.8 mm × Thickness 13.8 mm Lug to lug 51.5 mm Band width 23 mm The perimeter of Band 185 mm Clasp type Three-fold clasp with secure lock and push button release, solid and slide adjuster - Movement
Caliber no 9RA5 Instruction Movement Type Spring Drive Power reserve Approximately 120 hours (5 days) Accuracy ±10 seconds per month (±0.5 second per day) - Functions / Specifications
Water resistance 10 bar Magnetic resistance 4,800 A/m Functions Hour, minute, second hand, power reserve indicator, date window at 3 o'clock Features - Date display
- 38 jewels
- Screw case back
- Screw-down crown
- Unidirectional rotating bezel
- Three-fold clasp with secure lock
- Power reserve indicator
GRAND SEIKO SBGE285
Grand Seiko SBGE285 Specifications
- Exterior
Case Material High-intensity titanium Case Back See-through and screw Glass Material Box shaped sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material High-intensity titanium Bezel Material Fixed 24 hours titanium with 2 hours scale Dial Color Light grey with snowflake texture, applied markers and hands faceted with polished and brushed surfaces Dial Hands Zaratsu polished grey silver tone hour, minute, second and GMT hand Dial Markers Batons indexes with double width index at 12 o'clock with Zaratsu polished LumiBrite LumiBrite on hands and indexes Crown Silver tone screw down at 3 o'clock position Case size Diameter 41 mm × Thickness 13.9 mm Lug to lug 48.3 mm Band width 22 mm The perimeter of Band 192 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9R66 Instructions Movement Type Spring Drive Power reserve Approximately 72 hours (3 days) Accuracy ±15 seconds per month (±1 second per day) - Functions / Specifications
Water resistance 10 bar / 100 m Magnetic resistance Equipped (4,800 A/m) Functions Hour, minute, second, GMT hand, date window at 3 o'clock Features - 30 jewels
- Date display
- Screw-down crown
- Screw case back
- Allergy-safe metal
- 24-hour hand (dual time display function)
- Power reserve indicator
- Calendar-linked time difference adjustment function
GRAND SEIKO SBGE283
Grand Seiko SBGE283 Specifications
- Exterior
Case Material High-intensity titanium Case Back See-through and screw Glass Material Box shaped sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material High-intensity titanium Bezel Material Fixed 24 hours titanium with 2 hours scale Dial Color Glossy black with applied markers and hands faceted with polished and brushed surfaces Dial Hands Zaratsu polished grey silver tone hour, minute, second and GMT hand Dial Markers Batons indexes with double width index at 12 o'clock with Zaratsu polished LumiBrite LumiBrite on hands and indexes Crown Silver tone screw down at 3 o'clock position Case size Diameter 41 mm × Thickness 13.9 mm Lug to lug 48.3 mm Band width 22 mm The perimeter of Band 192 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9R66 Instructions Movement Type Spring Drive Power reserve Approximately 72 hours (3 days) Accuracy ±15 seconds per month (±1 second per day) - Functions / Specifications
Water resistance 10 bar / 100 m Magnetic resistance Equipped (4,800 A/m) Functions Hour, minute, second, GMT hand, date window at 3 o'clock Features - 30 jewels
- Date display
- Screw-down crown
- Screw case back
- Allergy-safe metal
- 24-hour hand (dual time display function)
- Power reserve indicator
- Calendar-linked time difference adjustment function
GRAND SEIKO SBGE277
Grand Seiko SBGE277 Specifications
- Exterior
Case Material Stainless steel Case Back Stainless steel and sapphire crystal Glass Material Dual-curved sapphire crystal Glass Coating Anti-reflective coating on inner surface LumiBrite Lumibrite on hands, indexes and bezel Band Material Stainless steel Bezel Material Rotating black and white stainless steel Dial Color Black of rock-pattern color and texture that typify the geology of the Hotaka mountain range with engraved Grand Seiko logo below the 12 o’clock position and GMT logo at 6 o'clock position Dial Hands Tempered white silver tone hour, minute, grey second hand with red white colored GMT hand with Zaratsu polished Dial Markers White silver tone batons with Zaratsu polished Crown Screw down at 4 o'clock position Case size Diameter 44 mm × Thickness 14.7 mm Lug-to-lug 50.8 mm The perimeter of Band 194 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9R66 Instructions Movement Type Spring Drive Power Reserve Approximately 72 hours (3 days) Accuracy ±15 seconds per month (±1 second per day) - Functions / Specifications
Water resistance 20 bar / 200 m Magnetic resistance Equipped (4,800 A/m) Weight 186 g Functions Hour, minute, second hand, GMT hand, date window at 4 o'clock, power reserve display Features - 24-hour hand (dual time display function)
- 30 jewels
- Calendar-linked time difference adjustment function
- Date display
- Power reserve indicator
- Rotating bezel
- Screw case back
- Screw-down crown
- Stop second hand function
GRAND SEIKO SBGA467
Grand Seiko SBGA467 Specifications
- Exterior
Case Material Stainless steel Case Back Silver tone screw Glass Material Dual-curved sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material Silver tone stainless steel Bezel Material Fixed polished stainless steel Dial Color Black Dial Hands Zaratsu polished stainless steel silver tone hour, minutes and second hand Dial Markers Indexes with Zaratsu polished silver tone stainless steel markers Crown Silver tone screw down at 3 o'clock position Case size Diameter 40 mm × Thickness 12.3 mm Lug to lug 46.6 mm The perimeter of Band 203 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9R65 Instruction Movement Type Spring Drive Power reserve Approximately 72 hours (3 days) Accuracy ±15 seconds per month (±1 second per day) - Functions / Specifications
Water resistance 10 bar Magnetic resistance Equipped (4,800 A/m) Weight 157 g Functions Hour, minute, second hand, power reserve indicator, date window at 3 o'clock Features - 30 jewels
- Case back with lion emblem
- Date display
- Power reserve display
- Screw case back
- Screw-down crown
- Stop second hand function
Best Seller
GRAND SEIKO SBGA465
Grand Seiko SBGA465 Specifications
- Exterior
Case Material Stainless steel Case Back Silver tone screw Glass Material Dual-curved sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material Silver tone stainless steel Bezel Material Fixed polished stainless steel Dial Color White inspired by sunlight on early morning frost Dial Hands Zaratsu polished stainless steel silver tone hour, minutes and second hand Dial Markers Indexes with Zaratsu polished silver tone stainless steel markers Crown Silver tone screw down at 3 o'clock position Case size Diameter 40 mm × Thickness 12.3 mm Lug to lug 46.6 mm The perimeter of Band 203 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9R65 Instruction Movement Type Spring Drive Power reserve Approximately 72 hours (3 days) Accuracy ±15 seconds per month (±1 second per day) - Functions / Specifications
Water resistance 10 bar Magnetic resistance Equipped (4,800 A/m) Weight 157 g Functions Hour, minute, second hand, power reserve indicator, date window at 3 o'clock Features - 30 jewels
- Case back with lion emblem
- Date display
- Power reserve display
- Screw case back
- Screw-down crown
- Stop second hand function
GRAND SEIKO SBGA439
Grand Seiko SBGA439 Specifications
- Exterior
Case Material Stainless steel Case Back Silver tone screw Glass Material Dual-curved sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material Silver tone stainless steel Bezel Material Fixed polished stainless steel Dial Color Midnight blue Dial Hands Zaratsu polished stainless steel silver tone hour, minutes and second hand Dial Markers Indexes with Zaratsu polished silver tone stainless steel markers Crown Silver tone screw down at 3 o'clock position Case size Diameter 40 mm × Thickness 12.3 mm Lug to lug 46.6 mm The perimeter of Band 203 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9R65 Instruction Movement Type Spring Drive Power reserve Approximately 72 hours (3 days) Accuracy ±15 seconds per month (±1 second per day) - Functions / Specifications
Water resistance 10 bar Magnetic resistance Equipped (4,800 A/m) Weight 157 g Functions Hour, minute, second hand, power reserve indicator, date window at 3 o'clock Features - 30 jewels
- Case back with lion emblem
- Date display
- Power reserve display
- Screw case back
- Screw-down crown
- Stop second hand function
GRAND SEIKO SBGA437
Grand Seiko SBGA437 Specifications
- Exterior
Case Material Stainless steel Case Back Silver tone screw Glass Material Dual-curved sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material Silver tone stainless steel Bezel Material Fixed polished stainless steel Dial Color Silver with silken sunray pattern Dial Hands Zaratsu polished stainless steel silver tone hour, minutes and second hand Dial Markers Indexes with Zaratsu polished silver tone stainless steel markers Crown Silver tone screw down at 3 o'clock position Case size Diameter 40 mm × Thickness 12.3 mm Lug to lug 46.6 mm The perimeter of Band 203 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9R65 Instruction Movement Type Spring Drive Power reserve Approximately 72 hours (3 days) Accuracy ±15 seconds per month (±1 second per day) - Functions / Specifications
Water resistance 10 bar Magnetic resistance Equipped (4,800 A/m) Weight 157 g Functions Hour, minute, second hand, power reserve indicator, date window at 3 o'clock Features - 30 jewels
- Case back with lion emblem
- Date display
- Power reserve display
- Screw case back
- Screw-down crown
- Stop second hand function
Best Seller
GRAND SEIKO SLGA009
Grand Seiko SLGA009 Specifications
- Exterior
Case Material Stainless steel Case Back Silver tone see-through screw Glass Material Dual-curved sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material Silver tone stainless steel Bezel Material Fixed polished stainless steel Dial Color Silver with shirakaba white birch tree pattern Dial Hands Zaratsu polished stainless steel silver tone hour, minutes and blue second hand Dial Markers Indexes with Zaratsu polished silver tone stainless steel markers Crown Silver tone screw down at 3 o'clock position Case size Diameter 40 mm × Thickness 11.8 mm Lug to lug 47.6 mm The perimeter of Band 196 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9RA2 Instruction Movement Type Spring Drive Power reserve Approximately 120 hours (5 days) Accuracy ±10 seconds per month (±0.5 second per day) - Functions / Specifications
Water resistance 10 bar Magnetic resistance Equipped (4,800 A/m) Weight 176 g Functions Hour, minute, second hand, date window at 3 o'clock Features - Case back with lion emblem
- Date display
- Power reserve display
- Screw case back
- Screw-down crown
- See-through case back
- Stop second hand function
Limited
GRAND SEIKO SBGA469
Grand Seiko SBGA469 Specifications
- Exterior
Case Material Stainless steel Case Back See-through screw Glass Material Dual-curved sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material High-intensity stainless steel Bezel Material Fixed polished stainless steel Dial Color Dark blue "Katsuiro" of solid rock textured with engraved Grand Seiko logo below the 12 o’clock position Dial Hands Tempered silver tone hour, minute and second hand with Zaratsu polished Dial Markers Silver tone batons and double batons at 12 o'clock with Zaratsu polished Crown Screw down at 3 o'clock position Case size Diameter 41 mm × Thickness 12.5 mm Lug to lug 49 mm The perimeter of Band 195 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9R65 Instructions Movement Type Spring Drive Power reserve Approximately 72 hours (3 days) Accuracy ±15 seconds per month (±1 second per day) - Functions / Specifications
Water resistance 10 bar / 100 m Magnetic resistance Equipped (4,800 A/m) Weight 150 g Functions Hour, minute, second hand, date window at 3 o'clock, power reserve Features - 30 jewels
- Date display
- Power reserve display
- Screw case back
- Screw-down crown
- See-through case back
- Stop second hand function
Best Seller
GRAND SEIKO SBGA413
Grand Seiko SBGA413 Specifications
- Exterior
Case Material High-intensity titanium Case Back See-through screw Glass Material Box shaped sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material High-intensity titanium Bezel Material Fixed polished titanium Dial Color Soft pink textured with engraved Grand Seiko logo below the 12 o’clock position Dial Hands Tempered silver tone hour, minute and second hand with Zaratsu polished Dial Markers Silver tone batons and double batons at 12 o'clock with Zaratsu polished Crown Screw down at 3 o'clock position Case size Diameter 40 mm × Thickness 12.8 mm Lug to lug 47 mm The perimeter of Band 202 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9R65 Instructions Movement Type Spring Drive Power reserve Approximately 72 hours (3 days) Accuracy ±15 seconds per month (±1 second per day) - Functions / Specifications
Water resistance 10 bar / 100 m Magnetic resistance Equipped (4,800 A/m) Weight 102 g Functions Hour, minute, second hand, date window at 3 o'clock, power reserve Features - 30 jewels
- Against an allergic reaction to metal
- Case back with lion emblem
- Date display
- Power reserve display
- Screw case back
- Screw-down crown
- See-through case back
- Stop seconds hand function
GRAND SEIKO SBGA415
Grand Seiko SBGA415 Specifications
- Exterior
Case Material High-intensity titanium Case Back See-through screw Glass Material Box shaped sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material High-intensity titanium Bezel Material Fixed polished titanium Dial Color Grey silver tone textured with engraved Grand Seiko logo below the 12 o’clock position Dial Hands Tempered silver tone hour, minute and blue second hand with Zaratsu polished Dial Markers Silver tone batons and double batons at 12 o'clock with Zaratsu polished Crown Screw down at 3 o'clock position Case size Diameter 40 mm × Thickness 12.8 mm Lug to lug 47 mm The perimeter of Band 202 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9R65 Instructions Movement Type Spring Drive Power reserve Approximately 72 hours (3 days) Accuracy ±15 seconds per month (±1 second per day) - Functions / Specifications
Water resistance 10 bar / 100 m Magnetic resistance Equipped (4,800 A/m) Weight 102 g Functions Hour, minute, second hand, date window at 3 o'clock, power reserve Features - 30 jewels
- Against an allergic reaction to metal
- Case back with lion emblem
- Date display
- Power reserve display
- Screw case back
- Screw-down crown
- See-through case back
- Stop seconds hand function