Grand Seiko Heritage Collection. Factory model number SBGA437. Powered by the Grand Seiko 9R65 Spring Drive movement designed, adjusted and assembled by hand, by acclaimed craftsmen and women at the Shinshu Watch Studio in Japan. Solid stainless steel case. Dual-curved sapphire crystal. Silver color dial. Stainless steel bracelet
Movement Features:
Power reserve: Approx. 72 hours(3 days)
Accuracy: plus/minus 1 second per day / plus/minus 15 seconds per month (average).
Functions:
Date calendar, window display. Power Reserve hand indicator.
Case:
Solid Stainless steel.
Crown:
Factory Logo engraved/embossed.
Crystal:
Dual-curved Sapphire. Anti-reflective coating on inner surface.
Dial:
Silver color. Applied polished steel tone markers.
Case Back:
Screw-down style ( threaded ). Factory Engraved/Raised Logo.
Band:
Solid Stainless steel.
Clasp:
Deployant style, with spring release. Factory Logo engraved/embossed.
Water Resistance:
100m/330ft /10atm.
Case Size:
46.50mm. 40.00mm. 12.50mm.
Other:
Magnetic Resistance 4,800 A/m.
Warranty:
5 YEARS Manufacturer's Warranty.
