Chronographs are created to record a race win, not second place. And with the Race Operator Watch, victory is the only goal. Featuring unbeatable staying power and precision, this chronographic timepiece is built to perform, come hell or high water. Chronograph design | Finest Miyota quartz movements for extreme accuracy | Constructed of highly corrosion-resistant 316L stainless steel | Case is precision milled for maximum waterproofness | Scratch-resistant sapphire crystal | PVD finish is electrochemically bonded to stainless surface | Screw-down crowns protect inside from moisture and other elements | Standard lug design for easy strap replacement | Billet screw-off case back for simple battery change | Silicone strap resists sweat and chemicals for years | Standard two-year warranty against manufacturing defects Specifications: Case: 316L stainless billet with PVD finish | Movement: Miyota OS20, 24-hour full race | Bezel: Fixed, tachymeter 60-400 | Waterproof: 100 m | Strap: Molded silicone | Crystal: Sapphire with anti-glare coating | Case back: Screw down stainless | Battery: 3 year Dimensions: Case: 48. 0x55. 0 mm | Opening: 38. 0 mm | Crown: 9. 0 mm