Whether youre blazing new trails or your day is filled with a mix of business and pleasure, Isobrites Valor T100 Series Chronograph Watch delivers the visual appeal and rugged construction you need. Abrasion- and glare-resistant sapphire crystal is the same crystal used by high-end luxury watches, while the polycarbonate case is water-resistant to 200 meters. and stands up to heart-pounding adventure. Unidirectional ratcheting bezel boasts T100 tritium-illuminated markers for button- and battery-free visibility in complete darkness. Swiss Ronda 5040.D quartz movement. Water-resistant push buttons. Comes with a rubber band as well as a nylon band, each with buckle closures. Manufacturer 2 year warranty. Water-resistant to 200 meters. Case dia: 47mm. Colors: Blue, Black. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Analog/Chronograph Watches.