Number of Pieces: 1. Removable Links: No. Closure Style: Buckle. Display Style: Digital Time Display. Display Indicators: Stopwatch, Alarm, Day/Date Function. Watch Face Color: Gray. Case Material: Plastic. Crystal Material: Plastic. Band Material: Plastic. Protective Qualities: Water Resistant to 50m. Power Source: Battery-Powered. Depth of Water Resistance: Up to 50 meters. Care and Cleaning: Wipe Clean. Case Dimensions: 1.5 " L x 1.5 " W. Weight: 0.07 Lb. Warranty Description: Lifetime Limited Manufacturer Warranty. Battery: Required, included: 1 lithium.