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GRAND SEIKO SBGA405
Grand Seiko SBGA405 Specifications
- Exterior
Case Material High-intensity titanium Glass Material Dual-curved sapphire Glass Coating Anti-reflective coating on inner surface Lumi Brite Lumibrite on hands, indexes and bezel Case size Diameter 44.5 mm × Thickness 14.3 mm Band material Shark Clasp type Three-fold clasp with push button release - Movement
Movement 9R15 Instructions Driving system Spring Drive Power reserve Approximately 72 hours (3 days) Accuracy +0.5 second per day (±10 seconds per month) - Functions / Specifications
Water resistance 20 bar Magnetic resistance Equipped Weight 90 g Remarks - 30 jewels
- Power reserve display
- Screw case back
- Screw-down crown
- See-through case back
- Serial number engraved on the case back
- Stop second hand function