Description
Grand Seiko Heritage – SBGA375G Spring Drive Watch
Grand Seiko Heritage Collection Spring Drive
Specifications
Exterior
- Exterior: Stainless steel
- Case back: See-through & Screw case back
- Glass Material: Dual-curved sapphire crystal
- Glass Coating: Anti-reflective coating on inner surface
- Case size: Diameter 40.0mm Lug-to-lug 46.2mm Thickness 12.5mm
- Band width: 19mm
- Clasp type: Three-fold clasp with push button release
- The perimeter of Band: 197mm
Movement
- Caliber no.: 9R65 Instructions
- Movement Type: Spring Drive
- Power reserve: Approx. 72 hours(3 days)
- Accuracy: ±15 seconds per month (±1 second per day)
Functions
- Water resistance: 10 bar
- Magnetic resistance: 4,800 A/m
- Weight: 148 g
- Screw-down crown
- 30 jewels
- Power reserve indicator
Reference: SBGA375G