Caliber No. A060 Power Source: Eco-Drive (light-powered) Accuracy: ±5 seconds per year Battery Life: Approx. 1.5 years (when Power Save mode is active) Thickness: 12.2 mm Case Size: 40.0 mm (width) Case Material: Super Titanium Case Finish: DuraTect Platinum (light silver) Strap Material/Type: Super Titanium Triple-fold push-button clasp Strap Width: 20.0 mm Adjustable Strap Size: 132–204 mm Allergy Level: Nickel-free Magnetic Resistance: Class 1 Design Features: Plant-dyed green Japanese paper dial Luminescent (hands + indices) Charge Level Indicator Low Battery Warning Overcharge Protection Power Save Mode Approx. 1.5 years of operation on a full charge (when Power Save mode is active) Perpetual Calendar Date Display Date Quick-Set Function Calendar Update at Midnight Time Zone Setting Perfex (JIS Class 1 Anti-Magnetic, Shock Detection, Automatic Hand Correction) Country of Origin: Made in Japan