Case / bezel material: Resin Cloth Band Neobrite Shock Resistant Mineral Glass 100-meter water resistance Double LED light LED light for the face (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3seconds), afterglow) LED back light for the digital display (Auto LED light, Super illuminator, selectable illumination duration (1.5seconds or 3seconds), afterglow) Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents) Dual time (Home city time swapping) 1/100-second stopwatch Countdown timer 5 daily alarms Hourly time signal Full auto-calendar (to year 2099) Button operation tone on/off Diameter 42mm Size of case : 46.1 × 41.8 × 13.9 mm