Orient Men's CFD0C001B Professional Diver Black Automatic Watch Quality Japanese Automatic movement; functions without a battery; powers automatically with the movement of your arm Solid stainless-Steel Bracelet Scratch-Resistant Sapphire crystal; screwed-Down Crown Includes extra black rubber strap and strap changing tool Water resistant to 990 feet (300 M):suitable for scuba diving to a depth of 30 meters for up to 2 hours