Chase-Durer Men's 608.1NN-LEA Warhawk Chronograph Brown Dial Vintage Leather Watch Precise Swiss-quartz movement Dome and double-curved K1 crystal with anti-reflective coating Solid titanium case; Vintage WWII style genuine leather strap Super-Luminova advanced illumination system; chronograph functions with 30-minute, 60-second, and 1/10th second sub dials; date function at four o'clock Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving