Shock Resistant • Water resistance - 200-meter water resistance • Approx. battery life: 3 years on CR1025 • World time: 31 time zones (48 cities + coordinated universal time), city code display, city name display, daylight saving on/off, auto summer time (DST) switching • Stopwatch • Timer - Countdown timer Countdown timer, Measuring unit: 1 second, Countdown range: 24 hours, Countdown start time setting range: 1 minute to 24 hours • Alarm/hourly time signal: 5 daily alarms, Hourly time signal • Light: Double LED light, LED light for the face, LED backlight for the digital display • Calendar: Full auto-calendar (to year 2099) • Mute feature, • Accuracy: ±15 seconds per month • 12/24-hour format • Regular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)), Digital: Hour, minute, second, pm, month, date, day