Description
Grand Seiko Mechanical Hi-Beat GMT SBGJ021
Inspired by the colors of the Sunrise on Mt. Iwate
| Driving system | Automatic with manual winding mechanism |
|---|---|
| Caliber Number | 9S86 |
| Case | Stainless steel case Case back: stainless steel and sapphire crystal |
| Glass | Dual-curved sapphire crystal |
| Glass coating | Anti-reflective coating on inner surface |
| Drive duration | Power reserve: 55 hours |
| Accuracy | Accuracy under static conditions: -3 to +5 seconds per day (average) |
| Water resistance | 10 bar water resistance |
| Magnetic reluctance | Magnetic resistance |
| Size | H46.2mm x W40mm x D14mm |
| Weight | 159g |
| Driving system |
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