Number of Batteries: 1 Features: Digital, Alarm, Stopwatch Battery Type: Lithium Cells Jewelry Closure: Buckle Power Source: Battery (included) Watch Movement: Quartz Water Resistance: 100m Band Color: Black Dial Color: Black Case Width: 43mm Band Content: Resin Case Materials: 100% Resin Battery Size: Cr2025 Band Width: 23mm Care: Wipe Clean Band Type: Strap Country of Origin: Imported Photos are enlarged to show detail.