The Top of The Line in Motorcycle Clocks - High-Quality Citizen internal clock movements - Features 316L stainless steel construction with a beautiful finish - Waterproof-rated to 5 atm - Includes long-lasting button-cell battery included - Adheres securely to any clean, hard surface (ex. mirrors) using 3M technology - Measures 1.55" diameter x .35" thick - Features a White Face and a Silver Aluminum Case