My husband is retired military and we have so many of these that's he's barely worn if even at all. He's keeping the watches he wants and has given me a couple to list. World time 29 time zones (48 cities + coordinated universal time), daylight saving on/off, home city/world time city swapping Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Other: Auto-repeat LED light Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow 12/24-hour format Regular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed) Digital: Hour, minute, second, pm, month, date, day 1/1000-second stopwatch Measuring capacity: 99:59'59.999'' Measuring modes: Elapsed time, lap time, split time Others: Speed (0 to 1998 units/hour), Distance input (0.0 to 99.9) Mach indicator (speed exceeding 1225 units/hour)5 daily alarms (with 1 snooze alarm) Hourly time signal Approx. battery life: 2 years on CR1220 (needs new battery)