Swiss Legend Men's 30721-BB-01-GLM Skyline Analog Display Swiss Quartz Black Watch Swiss Quartz movement Sapphitek crystal; Black ion-plated stainless steel; Black leather strap Chronograph functions with 60 second, 30 minute and day of the week Gold Tone subdials; Date window at 4:00 Black dial with silver tone and pale green hands and light green Arabic numerals; Luminous; Rotating inner bezel; Screw-down crown Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving