- At a glance
The multi-layered design of the G SHOCK GA-400 creates a solid three-dimensional appearance complimented by a revolutionary rotary switch. Located at 3 o'clock, the rotary switch enables intuitive operation of classic G SHOCK features including the World Time, Countdown Timer and 5 Daily Alarms.
Auto light switch, selectable illumination duration, afterglow
+/- 15 seconds per month (without BLE communication)
200 Metre/20 Bar
World time for 48 cities (31 time zones, daylight saving on/off, home city/world time city swapping) and coordinated universal time
1/100th Sec Stopwatch
Size of case
55.0 × 51.9 × 18.3 mm
Daily Alarm: sounds each day at the time you set
Fully automatic calendar, with allowances made for leap years, pre-programmed to 2099
12/24 Hour Format
Times can be displayed in either a 12-Hour or 24 Hour Format.
Measuring Unit: 1 second
Countdown range: 60 minutes