9s mechanical
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GRAND SEIKO SBGH301
Grand Seiko SBGH301 Specifications
- Exterior
Case Material Ever brilliant steel Case Back See-through ever brilliant steel Glass Material Dual-curved sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material Ever-brilliant steel bracelet Bezel Material Fixed polished ever-brilliant steel Dial Color Black radial pattern with engraved Grand Seiko logo below the 12 o’clock position and Automatic Hi-Beat logo at 6 o'clock position Dial Hands Tempered silver tone hour, minute, second hand with Zaratsu polished Dial Markers Silver tone batons indexes with Zaratsu polished Crown Screw down at 3 o'clock position Case size Diameter 40 mm × Thickness 13.3 mm Lug to lug 46.2 mm Band width 19 mm The perimeter of Band 200 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9S85 Instructions Movement Type Automatic with manual winding Power reserve Approximately 55 hours Mean daily rate +5 to -3 seconds per day*Mean daily rate is a mean value of daily rates in a condition where the movement before assembly in a case is measured in six positions in a fixed manner under artificially controlled environment for 12 days. Normal usage accuracy +8 to -1 seconds per day Vibrations 36,000 vibrations per hour (10 beats per second) - Functions / Specifications
Water resistance 10 bar Magnetic resistance Equipped (4,800 A/m) Weight 154 g Functions Hour, minute, second hand, date window at 3 o'clock with black background Features - 37 jewels
- Screw-down crown
- Ever brilliant steel
- See-through case back with lion emblem
- Sapphire crystal
- Date display