GRAND SEIKO SBGY035

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Grand Seiko SBGY035 Specifications

Exterior
Case MaterialStainless steel
Glass MaterialDual-curved sapphire crystal
Glass CoatingAnti-reflective coating on inner surface
Band MaterialBrown crocodile leather strap
Bezel MaterialFixed polished stainless steel
Dial ColorRed brown textured that reflects the moment when the sun begins to rise with engraved gold tone Grand Seiko logo below the 12 o’clock position, minute markers and Spring Drive logo at 6 o’clock position
Dial HandsTempered grey silver tone hour, minute, gold tone second hand with Zaratsu polished
Dial MarkersGrey silver tone batons with Zaratsu polished
CrownScrew down at 3 o’clock position
Case sizeDiameter 38.5 mm × Thickness 10.2 mm
Lug to lug43.7 mm
Band width19 mm
Clasp typeThree-fold clasp with push button release

 

Movement
Caliber no9R31    Instructions
Movement TypeSpring Drive
Driving SystemManual winding
Power reserveApproximately 72 hours (3 days)
Accuracy±15 seconds per month (±1 second per day)

 

Functions / Specifications
Water resistanceSplash Resistant
Magnetic resistanceEquipped (4,800 A/m)
Weight68 g
FunctionsHour, minute, second hand
Features
  • 30 jewels
  • LIMITED EDITION on the case back
  • Serial number engraved on the case back
  • Power reserve indicator
  • Screw case back
  • See-through case back

Reference : Grand Seiko SBGY035G

Description

About Grand Seiko SBGY035

Grand Seiko Caliber 9R 20th Anniversary Limited Edition Elegance Collection

A limited edition inspired by the beautiful autumn sunrises of the Hotaka mountain range

This limited edition commemorates the 20th anniversary of Grand Seiko’s original Spring Drive movement, Caliber 9R, which was created in 2004.
The Hotaka mountain range rises majestically in the Shinshu region of central Japan, the birthplace of all Grand Seiko Spring Drive creations. The gradation on the dial reflects the moment when the sun begins to rise. As the steep landscape of the Hotaka mountain range turns a vibrant red, the light casts a radiant glow on the autumn leaves as they emerge from the darkness of dawn. This beautiful scenery is expressed by the dark red color at the dial’s periphery gradually becoming brighter toward the center.
It delivers a power reserve of 72 hours thanks to the manual-winding Caliber 9R31 with an innovative dual-spring barrel that contains two mainsprings set in parallel.

Limited edition of 700 pieces.

 

About 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.

As in conventional mechanical watches, the sole power source of Spring Drive is a mainspring that can be wound by the motion of an oscillating weight or by winding the crown. And just as in mechanical watches, the mainspring drives a series of gears that rotate the hour, minute and second hands. A rotor, connected to the end of these gears, generate a small electrical charge that activates an electronic circuit and quartz oscillator.

The Tri-synchro regulator is a unique speed controller for Spring Drive that replaces the escapement, which is a mechanical speed control device used in almost all conventional mechanical watches. The Tri-synchro regulator moves the second hand in a smooth motion, without ticking and with extreme accuracy.

Some 80% of the components in a Spring Drive caliber are the same as those in a luxury mechanical watch. Spring Drive is a movement powered by a spring, just like a mechanical watch, with a different kind of regulator and combines the long-lasting autonomy of a mechanical watch with the precision that, until now, only electronic watches could provide.

To ensure reliable and accurate operation, all these parts need to be manufactured to the highest standards of precision, and assembling them requires superior craftsmanship.

The development of the Spring Drive movement caliber 9R was made possible because Seiko is one of the very few manufactures with expertise in both mechanical and quartz watches.

Since the first Grand Seiko Spring Drive in 2004, new movements have been created with even more complex mechanisms–including the GMT in 2005 and chronograph with GMT in 2007. Showing that with the Spring Drive caliber 9R, time never loses momentum.

Grand Seiko SBGY035 Features

  • 30 jewels
  • LIMITED EDITION on the case back
  • Serial number engraved on the case back
  • Power reserve indicator
  • Screw case back
  • See-through case back

Grand Seiko SBGY035 History

Prior to 1960, to challenge the status of Swiss watches and change the perception of Japanese watches, Daini Seikosha and Suwa began the discussion of a product line that can match the quality of Swiss watches under the suggestion of the parent company. At the time, Suwa Seikosha Co. was in charge of manufacturing men’s watches, so it was decided that Suwa would be producing the first Grand Seiko (GS).

The first Grand Seiko was released in 1960, it was based on Seiko’s previous high-end watch, CROWN. This Grand Seiko has a 25-jewel, manual-winding, 3180 caliber, and only 36,000 units were produced. This was also the first chronometer-grade watch manufactured in Japan, and it was based on Seiko’s own chronometer standard.

Design style

The design language of the Grand Seiko was set in 1967, with the creation of Grand Seiko 44GS. The 44GS set the ground for all future Grand Seiko with nine elements. These elements help improve the legibility of the watch under different situations, and create a sharp, crisp visual impression:

  1. Double width index at 12 o’clock
  2. Multi-faceted rectangular markers
  3. Highly polished bezel
  4. Highly polished planes and two-dimensional surface
  5. Half recessed crown
  6. Flat dial
  7. Multi-faceted hour and minute hands
  8. Curved side line
  9. Reverse slanted bezel wall and case side
  10. Dress style with simple but beautiful design
  11. Zaratsu polishing

source : wikipedia

Grand Seiko SBGY035 Main

Additional information

Weight2 kg
Dimensions5 × 4 × 2 cm

Seiko Service Center

Center NameAddressTelFax
Seiko Service Center JakartaJalan Melawai IX No. 46, Blok M, Jakarta Selatan, Indonesia+62-21-7208717+62-21-7201249
Seiko Service Center JakartaPlaza Senayan Lt 3 No. 353-A, Jakarta Pusat, Indonesia+62-21-5725689

+62-21-5725690

Seiko Service Center JakartaLt Dasar No. 115-116, Gd. Harco Pasar Baru, Jakarta Pusat, Indonesia+62-21-3452335
Seiko Service Center SurabayaJalan Tunjungan No. 98-100, Surabaya, Indonesia+62-31-5474756

+62-31-5474757

+62-31-5347771
Seiko Service Center SurabayaPlaza Surabaya, Lt 1 No. 56-57, Surabaya, Indonesia+62-31-5316199
Seiko Service Center MedanJalan Cirebon No. 16, Medan, Indonesia+62-61-4149636
Seiko Service Center MedanSun Plaza Level 1, Blok C-32, Medan, Indonesia+62-61-4501505

Size Guide

Wrist circumferenceSuitable case sizes
5.5 in / 14 cm34 mm36 mm38 mm
6.0 in / 15.2 cm36 mm38 mm40 mm
6.5 in / 16.5 cm38 mm40 mm42 mm
7.0 in / 17.8 cm40 mm42 mm44 mm
7.5 in / 19 cm42 mm44 mm46 mm
8.0 in / 20.3 cm44 mm46 mm48 mm

Watch Size Guide

Water Resistance

Water Resistant Chart

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