red line Men's RL-18103-BB-01 Compressor Chronograph Black Dial Black Silicone Watch Japanese quartz movement Mineral crystal; black ion-plated stainless steel case; black silicone strap Chronograph functions with 60 second, 60 minute and 24 hour subdials; date window between 4:00 and 5:00 Black dial with black and white hands and white hour markers, red second hand; luminous; unidirectional bezel with white Arabic numerals; red ion-plated stainless steel screw-down crown Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving