TAG Heuer Men's Link Automatic Automatic Day-Date Watch #WJF2010.BA0592 Precise TAG Heuer Swiss automatic movement; Functions without a battery; Powers automatically with the movement of your arms Scratch-resistant-sapphire crystal Case diameter: 42 mm Stainless-steel case; Black dial; Day-and-date functions Water resistant to 660 feet (200 M): suitable for recreational scuba diving