G-Shock GA-2100 Series Watch

World time: 31 time zones (48 towns + coordinated universal time), sunlight saving on/off
Stopwatch: 1/one hundred-second stopwatch Measuring capacity: 00’00”00~59’59”99 (for the primary 60 minutes) 1:00’00~23:59’59 (after 60 minutes) Measuring unit: 1/one hundred second (for the primary 60 minutes) 1 second (after 60 minutes) Measuring modes: Elapsed time, split time, 1st-2nd place times
Timer: Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown get started time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
Alarm/hourly time signal: 5 day by day alarms Hourly time signal
Light: Double LED light LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
Calendar: Full auto-calendar (to year 2099)
Mute feature: Button operation tone on/off
Accuracy: Accuracy: ±15 seconds monthly
Other features: 12/24-hour format Hand shift feature (Hands move out of how one can supply an unobstructed view of digital display contents.) Regular timekeeping: Analog: 2 hands (hour, minute (hand moves each and every 20 seconds)), 1 dial (day) Digital: Hour, minute, second, pm, month, date