Grand Seiko SBGA501
Limited
GRAND SEIKO SBGA501
Grand Seiko SBGA501 Specifications
Exterior
Case MaterialHigh-intensity titanium
Glass MaterialDual-curved sapphire crystal
Glass CoatingAnti-reflective coating on inner surface
Band MaterialHigh-intensity titanium bracelet
Bezel MaterialFixed polished high-intensity titanium
Dial ColorChanging shifting effect from black to dark blue to purple radial pattern resembling falling rain in Ginza with engraved Grand Seiko logo below the 12 o’clock position and Spring Drive logo at 6 o'clock position
Dial HandsTempered silver tone hour, minute and second hand with Zaratsu polished
Dial MarkersSilver tone batons and double batons at 12 o'clock with Zaratsu polished
CrownScrew down at 3 o'clock position
Case sizeDiameter 41 mm × Thickness 12.5 mm
Lug to lug49 mm
Band width20 mm
The perimeter of Band197 mm
Clasp typeThree-fold clasp with push button release
 
Movement
Caliber no9R65    Instructions
Movement TypeSpring Drive
Power reserveApproximately 72 hours (3 days)
Accuracy±15 seconds per month (±1 second per day)
 
Functions / Specifications
Water resistance10 bar
Magnetic resistanceEquipped (4,800 A/m)
FunctionsHour, minute, second hand, power reserve indicator, date window at 3 o'clock with black background
Features
  • 30 jewels
  • LIMITED EDITION on the case back
  • Serial number engraved on the case back
  • See-through screw case back
  • Screw-down crown
  • Allergy-safe metal
  • Power reserve indicator
  • Sapphire crystal
  • Date display
Reference : Grand Seiko SBGA501
Contact us Read more
Grand Seiko SBGH317
Limited
GRAND SEIKO SBGH317
Grand Seiko SBGH317 Specifications
Exterior
Case MaterialStainless steel
Glass MaterialBox-shaped sapphire crystal
Glass CoatingAnti-reflective coating on inner surface
Band MaterialSilver stainless steel bracelet
Bezel MaterialFixed polished stainless steel
Dial ColorLight purple Ginza-grid pattern with engraved Grand Seiko logo below the 12 o’clock position and Automatic Hi-Beat logo at 6 o'clock position
Dial HandsTempered silver tone hour, minute and second hand with Zaratsu polished
Dial MarkersSilver tone batons and double batons at 12 o'clock with Zaratsu polished
CrownScrew down at 3 o'clock position
Case sizeDiameter 40 mm × Thickness 12.9 mm
Lug to lug47 mm
Band width21 mm
The perimeter of Band190 mm
Clasp typeThree-fold clasp with push button release
 
Movement
Caliber no9S85    Instructions
Movement TypeAutomatic with manual winding
Power reserveApproximately 55 hours
Mean daily rate+5 to -3 seconds per day*Mean daily rate is a mean value of daily rates in a condition where the movement before assembly in a case is measured in six positions in a fixed manner under artificially controlled environment for 12 days.
Normal usage accuracy+8 to -1 seconds per day
Vibrations36,000 vibrations per hour (10 beats per second)
 
Functions / Specifications
Water resistance10 bar
Magnetic resistanceEquipped (4,800 A/m)
Weight153 g
FunctionsHour, minute, second hand, date window at 3 o'clock
Features
  • 37 jewels
  • LIMITED EDITION on the case back
  • Serial number engraved on the case back
  • Case back with lion emblem
  • Date display
  • See-through case back
Reference : Grand Seiko SBGH317G
Contact us Read more