Removable Links: No. Closure Style: Buckle. Display Style: Digital Time Display. Display Indicators: Alarm, Stopwatch, Time, Day/Date Function. Watch Face Color: Gray. Case Material: Plastic. Crystal Material: Plastic. Band Material: Polyurethane. Protective Qualities: Water Resistant to 50m. Clock Movement Type: Digital. Power Source: Battery-Powered. Care and Cleaning: Wipe Clean With a Dry Cloth. Case Dimensions: 1.36 " L x 1.49 " W. Weight: 0.05 Lb. Warranty Description: Limited Lifetime Warranty. Battery: Required, included: 1 lithium.