Description
Grand Seiko Chronograph GMT – SBGC251G Spring Drive Watch
Grand Seiko Evolution 9 Collection Spring Drive Chronograph
Specifications
Exterior
- Exterior: High-intensity titanium
- Case back: See-through & Screw case back
- Glass Material: Dual-curved sapphire crystal
- Glass Coating: Anti-reflective coating on inner surface
- LumiBrite: LumiBrite on hands, index(es) and bezel
- Case size: Diameter 45.3mm Lug-to-lug 52.6mm Thickness 15.8mm
- Band width: 23mm
- Clasp type: Three-fold clasp with push button release
- The perimeter of Band: 197mm
Movement
- Caliber no.: 9R86 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: 140 g
- Rotating bezel
- Screw-down crown
- Allergy-safe metal
- 50 jewels
- 24-hour hand (dual time display function)
- Chronograph with 30 minutes & 12 hours
- Power reserve indicator
- Calendar-linked time difference adjustment function
Reference: SBGC251G