TAG Heuer Men's CJF7110.BA0587 Link Calibre S Chronograph Watch TAG Heuer Calibre S Electro-Mechanical movement, a Swiss hybrid-quartz automatic that combines mechanical parts with quartz precision Double-sided anti-reflective, Scratch-resistant sapphire crystal; Luminescent hands and markers Solid 42-mm satin finish stainless-steel case with screw-down caseback; TAG Heuer S Link satin finish stainless-steel bracelet Two Function Modes: Time and Chronograph; Chronograph function to 1/100th of a second precision; Tachymeter bezel Water resistant to 660 feet (200 M): suitable for recreational scuba diving