Casio WS-1600H-1A / WS-1600H-2A / WS-1600H-8A

Case size (L× W× H): 45 × 42.1 × 12.5 mm
Weight: 39 g
Case and bezel material: Case / bezel     material: Resin
Band: Resin Band
Water resistance: 100-meter water     resistance
Power supply and battery life: Approx.     battery life: 10 years on CR2025
Glass: Resin Glass
Compatible band size: 145 to 215 mm
World time: World time 29 time zones     (48 cities), city code display, daylight saving on/off
Stopwatch: Stopwatch: Add time timer     for injury timeouts, etc. Measuring unit: 1 second (upper and lower     display) Measuring capacities: Upper display: 59'59"; Lower display:     99'59" Measuring modes: Elapsed time, event timer
Timer: Preset timer Measuring unit: 1     second Preset start times: 10, 12, 15, 20, 25, 30, 35, 40, 45 minutes     Timer modes: Elapsed time, auto-repeat *Measurement of elapsed time for up     to 60 minutes after the countdown reaches zero
Timers Up to nine timers canbe preset with separate starting times for timing of intervals. Measuring unit:1 second Input range: 59'55. (5-second increment and 1-minute increments)Other: Auto-repeat
Alarm/hourly time signal: Daily alarm
   Hourly time signal
Light: LED backlight Afterglow
Light color: LED:Amber
Calendar: Full auto-calendar (to year     2099)
Mute feature: Button operation tone     on/off
Accuracy: Accuracy: ±30     seconds per month
Other features: 12/24-hour format
Regulartimekeeping: Hour, minute, second, pm, month, date, day