Casio CASIO GBD-100-1JF

world time World time: Time display in 38 cities around the world (38 time zones*, with automatic summer time setting function) + UTC (Coordinated Universal Time) *May be updated by linking with a smartphone. stopwatch Stopwatch (1 second, 100 hour meter, with split) timer Timer: Timer for interval measurement with up to 5 time settings (set unit: 1 second, maximum set: 60 minutes, measurement in 1 second increments, auto repeat) alarm 4 time alarms (with snooze function) light LED backlight (with auto light, super illuminator, afterglow function, afterglow time switching (1.5 seconds/3 seconds)) light color LED: white calendar Fully automatic calendar Operation sound ON/OFF switching function Operation sound ON/OFF switching function accuracy Average monthly difference: ±15 seconds *If not linked to a smartphone, it will operate with normal quartz accuracy (average monthly difference of ±15 seconds). Other functions 12/24 hour display switching Vibration function Sensor function details Training log data (up to 100 runs, lap data up to 140 each), measured time, distance, pace, calories burned

Case size (length x width x thickness) icon-question 58.2 × 49.3 × 17 mm mass icon-question 69g Hand size: 145-215mm waterproof 20 ATM water resistant Power supply/battery life Battery life: about 2 years sensor function Training function (calculates and displays distance, speed, pace, etc. using mobile phone's GPS or acceleration sensor), automatic/manual lap function, auto pause function, arrival notification alert setting function (time, calories burned), training display customization function Step count measurement function (step count display range: 0 to 99,999 steps), step count reset (automatic reset at 0:00 every day)

Case/bezel material resin/aluminum band resin band structure Shock-resistant structure (shock resist)