Features: Resin Case Stainless Steel Bracelet Quartz Movement Caliber: 3560 Resin Glass Black Dial Digital Display Approximately Battery Life 3 Years On Cr1616 1/10-Second Stopwatch Daily Alarm Hourly Time Signal Led Backlight Auto-Calendar Month, Day And Date Display Solid Case Back Deployment Clasp Splash Resistant Approximate Case Diameter: 33.5mm Approximate Case Thickness: 9.4mm Approximate Lug Width : 18mm