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GRAND SEIKO SBGA471
Grand Seiko SBGA471 Specifications
- Exterior
Case Material Stainless steel Case Back See-through screw Glass Material Dual-curved sapphire crystal Glass Coating Anti-reflective coating on inner surface Band Material Stainless steel bracelet Bezel Material Fixed polished stainless steel Dial Color Light blue embossed with engraved Grand Seiko logo below the 12 o’clock position and Spring Drive 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 12.5 mm Lug to lug 46.2 mm Band width 19 mm Clasp type Three-fold clasp with push button release - Movement
Caliber no 9R65 Instructions Movement Type Spring Drive Power reserve Approximately 72 hours (3 days) Accuracy ±15 seconds per month (±1 second per day) - Functions / Specifications
Water resistance 10 bar Magnetic resistance Equipped (4,800 A/m) Weight 148 g Functions Hour, minute, second hand, power reserve indicator, date window at 3 o'clock Features - 30 jewels
- See-through screw case back
- Screw-down crown
- Power reserve indicator
- Sapphire crystal
- Date display