Torgoen Swiss Men's T2.01.01.S02 Chronograph Pilot Computer Watch Precise Swiss-quartz movement Hardened mineral crystal E6B Flight computer slide-rule function; chronograph functions with 30-minute, 60-second, and 1/10th-second sub-dials; date function; luminescence hands and indexes High grade stainless-steel case; screwed down stainless-steel case-back; Italian leather strap with heavy duty stainless-steel buckle Water resistant to 165 feet (50 M): suitable for swimming and showering