Item No. AQ1040-53A Caliber No. A010 Power Photovoltaic Eco-Drive Accuracy ±5 sec/year Period Photovoltaic power generation about 1.5 years (when power saving is activated) Weight 85g Thickness 10.7mm Case size Width 40.0mm Case material Super titanium Case finish Duratect α (light silver) Strap material/type Super titanium Tri-fold push-type Strap width 20.0mm Strap adjustable size 150～194mm Glass Sapphire glass (clear coating) Water resistance 100M waterproof Allergy level Anti-metal allergy Magnetic resistance Magnetic resistance type 1 Design features Screw lock crown Luminous (hand + index) Function Charge amount display function Charge warning function Overcharge prevention function Power saving function Perpetual calendar Date display Quick date correction function 0:00 calendar update function only Time difference setting function Perfex (JIS 1 Grade magnetic resistance, impact detection function, automatic needle calibration function) Origin Made in Japan