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Case: Resin (approx. Height 31 x Width 22 x Thickness 8 mm) Belt: Urethane resin (Inner circumference: Approx. 12-17 cm/Width: Approx. 11-13 mm) Weight: Approx. 12 g Function: Watch function Waterproof: Waterproof for daily life
[Main specifications] ●Accuracy: Average monthly difference of ±20 seconds ●Battery life: Approximately 3 years (*Values are based on replacing the battery with a new one after purchase.The battery is preset in the watch at the time of purchase.) This is a monitor battery built into the watch during manufacture to check its functions and performance, so it will run out in a short period of time.)