
REFERENCE : SBGW231G
CASE
- Stainless steel
- Box shaped sapphire
- Glass Coating : Anti-reflective coating on inner surface
- Case size : Diameter 37.3mm × Thickness 11.6mm
- See-through case back with 6 screws
MOVEMENT
- Caliber 9S64
- Movement Type : Mechanical manual winding
- Power reserve : Approx. 72 hours(3 days)
- 24 jewels
ACCURACY
- +5 to -3 seconds per day (when static) / +10 to -1 seconds per day (normal usage accuracy)
FUNCTIONS
- Hours & Minutes
- Central second (with stop second option)
- Water resistance : Splash Resistant
- Magnetic resistance : Magnetic resistance
STRAP & BUCKLE
- Black Crocodile leather strap
- Hand engraved pin buckle with the « Gand Seiko » logo
WEIGHT
- 61G