

For the fearless adventurer, a tough and rugged Master of G MUDMASTER featuring a strong, durable metal bezel. The watches of the G-SHOCK Master of G line, developed for professionals working in the harshest environments, come equipped with even tougher functionality. And the MUDMASTER takes this another step further with the ability to handle the roughest rubble and debris-strewn terrains, earning the appreciation and trust of rangers and rescue teams operating in extreme environments. The GGB100XM-1A features a silvery stainless-steel bezel with a honing finish, delivering outstanding scratch resistance that protects against mud and dust and a subtle matte texture that minimizes reflected light. The stainless-steel GGB100XMB-1A bezel is ion-plated in black with a mirror finish for both outstanding scratch resistance and a refined luster.
Resin
200 meters
55.4 × 51.3 × 19.4
Resin
Mineral Glass
Shock Resistant
Time Adjustment: Bluetooth: Connects to a smartphone and automatically adjusts the time
Compatible Band Size: 145 to 215 mm
Apps: CASIO WATCHES
Surface Treatment: Black ion plated bezel
App Connectivity Feature: Auto time adjustment
Other: Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second)
Stop Watch: 1/100-second stopwatch
Timer: Countdown timer
Alarm/Hourly Time Signal: 5 daily alarms
Light: LED light
Light Color: White
Calendar: Full auto-calendar (to year 2099)
Mute Feature: Button operation tone on/off
Accuracy: ±15 seconds per month
12/24-hour format
Digital: Hour, minute, second, am/pm, month, date, day
GGB100XMB-1A
104 g
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