TechnoMarine Men&#39;s KRA02 Kra Carbon Fiber Black Dial Rubber Strap Watch Precise Swiss-quartz movement Black carbon fiber bezel, Swiss ETA 251.272 movement; Rubber strap; mother of pearl dial Scratch resistant sapphire anti-reflective crystal Single buckle clasp in stainless steel 316L Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving