|
SBGA437G / GRAND SEIKO HERITAGE / GRAND SEIKO |
| EXTERIOR |
| Case Material - Stainless Steel |
| Case Back - Screw case back |
| Glass Material - Dual-curved sapphire crystal |
| Glass Coating - Anti-reflective coating on inner surface |
| Case Size - Diameter 40mm, Lug-to-lug 46.6mm, Thickness 12.3mm |
| Band width - 20mm |
| Clasp type - Three-fold clasp with push button release |
| MOVEMENT |
| Caliber -9R65 |
| Movement Type - Spring Drive |
| Power Reserve - 72 hours |
| Accuracy - ±15 seconds per month |
| FUNCTIONS |
|
Water Resistance - 10 bar |
| Magnetic Resistance - 4800 A/m |
| Weight - N/A |
| Other Details/Features: Screw-down crown, 30 jewels, Power reserve indicator |