Description
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Grand Seiko Elegance “Moondrop” GMT ref. SBGM257G
| Exterior: | Stainless steel with sapphire crystal |
|---|---|
| Backplate: | Transparent case back |
| Case back with 6 screws | |
| Glass material: | Square-shaped sapphire glass |
| Glass coating: | Anti-reflective coating on the inner surface |
| Case size: | Diameter 39.5mm Lug-to-lug 46.9mm Thickness 14.1mm |
| Strap width: | 19mm |
| Strap material: | Crocodile leather |
| Closure type: | Triple folding clasp with push-button release |
| Bracelet length: | 200mm |
Movement
| Caliber code: | 9S66 Instructions |
|---|---|
| Movement type: | Automatic with manual winding capability |
| Power reserve: | Approximately 72 hours (3 days) |
| When static: | +5 to -3 seconds per day |
| Accuracy with normal use: | +10 to -1 seconds per day |
Functions
| Water resistance: | Splash resistant |
|---|---|
| Magnetic resistance: | 4.800 A/m |
| Weight: | 92 g |
| Other details/features: |
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