Shock Resistant Mineral Glass Magnetic Resistant 200-meter water resistance Case / bezel material: Resin Resin Band LED light Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow World time 29 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping1/1000-second stopwatch Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed)Approx. battery life: 2 years on CR1220. Size of case: 55×51.2×16.9mm