Swiss Legend Men's 10614-BKBSA Identity Chronograph Black Dial Black High Tech Ceramic Watch Swiss quartz movement Sapphire crystal; black high tech ceramic case and bracelet with stainless steel accents Chronograph functions with 60 second, 30 minute and days of the week subdial; date window at 4:00 Black mother of pearl dial with silver tone hands and hour markers; luminous; tachymeter scale on inner bezel; unidirectional stainless steel bezel with black top ring; stainless steel pushers and screw-down crown Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving