Description
Grand Seiko
SBGA231
Case: High-intensity titanium, unidirectional bezel
Diameter: 44.2 mm
Thickness: 14 mm
Crystal: Sapphire, anti-reflective coating on inner surface
Dial: Black, luminous hands and indexs
Strap: High-intensity titanium bracelet with dive extension
Movement: Spring Drive Caliber 9R65
Accuracy: ±1 second per day / ±15 seconds per month (average)
Power reserve: 72 hours (3 days)
Water resistance: 200 meters, 660 feet
Other specifications and features: 30 jewels, case back with lion emblem, date display, power reserve display, screw case back, screw-down crown, stop seconds hand function, three-fold clasp with secure lock and extender, unidirectional rotating bezel
