Number of Batteries: 1Features: Water Resistant, Stopwatch, Date Function, Light-UpBattery Type: Silver OxideJewelry Closure: BucklePower Source: Battery (included)Watch Movement: QuartzWater Resistance: 100mBand Color: BlackDial Color: BlackCase Thickness: 14.1mmWatch Band Length: 9 1/2 InchBand Content: ResinCase Materials: 100% ResinBattery Size: Sr920wBand Width: 18mmCare: Wipe CleanCountry of Origin: Imported.