The TAG Heuer Carrera series takes its inspiration from motoracing and delivers a high performance timepiece steeped in classic elegance. This diamond and steel watch features diamond indexes on the dial. Warranty Information. Case size: 27mm. Diamond: 0.10 ct.t.w. Polished steel case. Fine-brushed and polished steel bracelet. Black dial with diamond markers. Water resistant to 50 meters. Date window at 3 o'clock. Quartz movement. Swiss made. All gemstone carat weights (ct. T.w.) are approximate; variance may be .05 carat. Most gemstones, including blue and black diamonds, are treated to enhance their luster. Some treatments are temporary and may require special care. Photo may have been enlarged and/or enhanced.