Eco-Drive technology - runs on light never needs a battery replacement. Blue polyurethane strap with buckle. Black dial with Yacht Racing timer and World Time in 30 cities. 1/100-Second chronograph measures up to 24 hours. Split lap time and Dual time (second time zone). One-touch interchangeable analog/digital times. Digital backlight display. Daylight Savings Time indicator. Universal Coordinated Time (UTC) display. Red ion-plated bezel. Lug width: 22mm. Case size: 44mm. Water resistant to 200 M. 5-Year manufacturer limited warranty.