Casio G-Shock GBA-400-4 / GBA 400-4

Case / bezel material: Resin

Resin Band

Shock Resistant

Mineral Glass

200-meter water resistance

LED light (Super Illuminator)
Selectable illumination duration (1.5 seconds or 3 seconds), afterglow

Flash alert
Flashes with buzzer that sounds for alarms, hourly time signal

Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents

Mobile link (Linking with a Bluetooth SMART device over a wireless connection)

Airplane mode

World time
35 time zones (100 cities + coordinated universal time), daylight saving on/off

1/100-second stopwatch
Measuring capacity: 999:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times

Countdown timer
Measuring unit: 1/10 second
Input range: 1 seconds to 100 hours (1-second increments, 1-minute increments and 1-hour increments)

5 daily alarms or one-time alarms (with 1 snooze alarm)

Hourly time signal

Low battery warning (A warning appears on the display whenever battery power drops below a certain level.)

Full auto-calendar (to year 2099)

12/24-hour format

Button operation tone on/off

Regular timekeeping
Analog: 2 hands (hour, minute (hand moves every 20 seconds))
Digital: Hour, minute, second, pm, month, date, day

Accuracy: ±15 seconds per month

Approx. battery operating time:
2 years on SR927W × 2 (Mobile Link used 2 hours a day.)
*Light: 1 time (1.5 seconds)/day
*Alarm: 10 seconds/day

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Size of case / Total weight

Size of case : 55×51.9×18.3mm

Total weight : 66g