Utilizing a 10-year battery, this sporty analogue/digital combination model provides plenty of functionality. A host of features such as 30-city world time, 3 daily alarms, stopwatch and dual countdown timers make this a versatile timepiece for almost any outdoor outing.- 52.2 ?? 48.2 ?? 16.7mm Case Size- 49g Weight- Resin Band, Bezel and Case- 100 Meters Water Resistant - Approx. battery life: 10 years on CR2025- Resin Glass- World time: Current time in 30 cities (29 time zones), daylight saving on/off- Stopwatch- Timer- Alarm/hourly time signal- Calendar: Full auto-calendar (to year 2099)- Accuracy: ??30 seconds per month