Description
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Grand Seiko Heritage ref. SBGW291G
Exterior
| Exterior: | Stainless steel |
|---|---|
| Backplate: | Screw back |
| Glass coating: | Anti-reflective coating on the inner surface |
| Case size: | Diameter 36.5mm Lug-to-lug 42.7mm Thickness 11.6mm |
| Strap width: | 18mm |
| Strap material: | Crocodile skin |
| Bracelet length: | 182mm |
Movement
| Caliber code: | 9S64 Instructions |
|---|---|
| Power reserve: | Approximately 72 hours (3 days) |
| When static: | From +5 to -3 seconds per day |
| Accuracy with normal use: | +10 to -1 seconds per day |
Functions
| Water resistance: | 10 bar |
|---|---|
| Other details/features: |
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