Automatic mechanical movement, 42-hour power reserve, Analog dial displaying date at the 12 o'clock position, Three sub-dials for 60-second, 30-minute and 12-hour chronograph functions, Silver-tone stainless steel case with black rubber strap, Screw-down bezel made of stainless steel allowing rotation in both directions, Luminescent coating on hands and markers for night readability, Scratch-resistant sapphire crystal glass, Round shape measuring 43.7 mm in diameter equipped with a tang clasp, Water resistance up to 300 meters / 1000 feet.