TechnoMarine Women's KRA05 Kra White Mother-of-Pearl 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