Casio DW-291H-1B

Case size (L× W× H)
    50.5 × 50.4 × 13.5 mm
    Weight
    63 g
    Case and bezel material
    Case / bezel material: Resin
    Band
    Resin Band
    Water resistance
    200-meter water resistance
    Power supply and battery life
    Approx. battery life: 10 years on CR2025

    Glass
    Mineral Glass
    Compatible band size
    145 to 215 mm

    World time
    Multi Time (4 different cities)
    World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
    Stopwatch
    1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times
    Timer
    Countdown timer Measuring unit: 1/10 second Countdown range: 24 hours Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
    Alarm/hourly time signal
    5 daily or one-time alarms
    Hourly time signal
    Light
    LED light Selectable illumination duration (1.5 seconds or 3 seconds), 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
    Regular timekeeping: Hour, minute, second, pm, month, date, day