Product Description
Brand: Grand Seiko Reference: SBGA445 Movement: Spring drive Caliber: 9R65 Glass Material: Sapphire glass with anti-reflective coating Case material: Titanium Bracelet/Strap: Titanium Case Diameter: 40.0 mm Thickness: 12.8 mm Weight: 102 g Precision: ±15 seconds/ month Water-resistance: Waterproof to 100 meters / 330 feet Remarks: Screw down crown,
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