Power Reserve: Operating for approx. 6 months (when fully charged), power save: approx. 27 months
Functions:
Power save function
Chronograph up to 100 hours in 1/106 second increments
Alarm function (daily alarm)
Full-auto calendar correct to the December 31, 2100
Battery life warning function
LED (the built-in illuminating light) function
Case Details
Case Material: Stainless steel and plastic
Case Size
Thickness: 13.8 mm
Diameter: 47.8 mm
Lug-to-lug: 50.5 mm
Crystal: Hardlex
Crystal Coating:
Distance between lugs: 22
Other Details
Water Resistance: 200m / 660ft diver's
Features:
LumiBrite on hands, index(es) and bezel
Screw case back
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Grand Seikoelevates the pure essentials of watchmaking to the level of fine art, handcrafted to perfection.