TechnoMarine Women&#39;s TLNCW05M NeoClassic Chrono Stainless Steel Watch Quality Swiss automatic movement; functions without a battery; powers automatically with the movement of your arm Swiss ETA G15.211 movement Scratch resistant sapphire anti-reflective crystal Case, bracelet, and deployment clasp all in stainless steel 316L Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving