TAG Heuer Men's WAB2010.BA0804 Aquaracer Automatic Watch Quality Swiss Automatic Movement; Functions without a battery; Powers automatically with the movement of your arm Scratch-resistant sapphire crystal; Luminescent hands and markers; Unidirectional bezel with SuperLuminova dot at 12 o'clock Solid 41-mm stainless-steel case with engraved diver's helmet decorated caseback; Three-link fine-brushed stainless-steel bracelet with diving extension Date function at 3 o'clock; Black dial Water resistant to 990 feet (300 M):suitable for scuba diving to a depth of 30 meters for up to 2 hours