Chase-Durer Men's 380.2SS-RUBB Firestorm Chronograph Stainless Steel Rubber Strap Watch Precise Swiss-quartz movement Scratch-resistant sapphire crystal Solid 316L stainless steel case with custom-designed Chase-Durer rubber strap Super-Luminova advanced illumination system; chronograph functions with 30-minute, 60-second, and 1/10th second sub dials; date function at between 4 and 5 o'clock; tachymeter engraved bezel Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving