Swiss Legend Men's SL-30050-BKBRR Karamica Chronograph Black Mother-Of-Pearl Dial Black Ion-Plated Stainless Steel Watch Swiss quartz movement Sapphire crystal; black ion-plated stainless steel case and bracelet Chronograph functions with 30 minute, 60 second and 1/10th second subdials Date window at 4:00 Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving