Description
Grand Seiko Heritage – SBGR315G Automatic Watch
Grand Seiko Heritage Collection Mechanical Watch
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 46.6mm Thickness 13.0mm
- Band width: 20mm
- Clasp type: Three-fold clasp with push button release
- The perimeter of Band: 195mm
Movement
- Caliber no.: 9S65 Instructions
- Movement Type: Automatic with manual winding
- Power reserve: Approx. 72 hours(3 days)
- 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.)
Functions
- Water resistance: 10 bar
- Magnetic resistance: 4,800 A/m
- Screw-down crown
- 35 jewels
Reference: SBGR315G
