Number of Batteries: 1 Features: Stopwatch, Alarm, Digital Battery Type: Lithium Cells Jewelry Closure: Buckle Power Source: Battery (included) Watch Movement: Quartz Water Resistance: 50m Band Color: Black Dial Color: Black Case Width: 35.7mm Band Content: Resin Case Materials: 100% Resin Battery Size: Cr2025 Band Width: 29mm Care: Wipe Clean Band Type: Strap Country of Origin: Imported Photos are enlarged to show detail.