TAG Heuer Men's CAH1110.BT0714 Formula 1 Chronograph Quartz Watch TAG Heuer Swiss quartz movement Scratch-resistant sapphire crystal; Case diameter 41 millimeters, 12.3 millimeters thickness Black rubber band with buckle Chronograph; luminous hands and hour markers; unidirectional bezel; sapphire crystal dial Water resistant to 660 feet (200 M): suitable for recreational scuba diving