Casio G-Shock Mudman [GDG-B100-1A3DR]

Built for professionals who push the limits in extreme conditions, the MUDMAN GDG-B100 from the MASTER OF G line is ready to support around-the-clock activities, from extreme environments to everyday life. Inspired by the protective structures used on off-road vehicles and survival gear, the watch features a bumper guard design with an intricate multi-component construction. It delivers the shock-, dust-, and mud-resistant structure that defines the MUDMAN identity while also providing a superbly comfortable fit on the wrist. The MIP LCD delivers outstanding readability, even in direct sunlight. The red LED backlight enhances watch visibility during nighttime activities while also helping preserve the eyes’ natural adaptation to the dark. Equipped with a step tracker and Smartphone Link, the watch also supports training. In addition to stopwatch timing, it measures distance, speed, pace, and calories burned, and offers lap time memory and an interval timer.

Dimensions & Build
Case Size: 63.6 × 49.6 × 16.2 mm
Weight: 66 g
Material: Bio-based Carbon / Bio-based resin
Band: Bio-based resin band
Construction: Shock Resistant, Mud Resistant, Carbon Core Guard structure
Glass: Mineral Glass
Compatible band size: 145 to 215 mm
Water Resistance: 200-meter water resistance

Power & Battery
Power Supply: Approx. battery life: 2 years on CR2032

Time Adjustment & Smartphone Link
Time Adjustment: Bluetooth: Connects to a smartphone and automatically adjusts the time
Smartphone Link: Mobile link (wireless linking using Bluetooth®)
App: CASIO WATCHES
Connectivity Features: Auto time adjustment, Easy watch setting, Approximately 300 world time cities, Notification function (incoming calls, incoming e-mails, new social media posts, calendar notifications, reminders), Activity history, Life log data, Distance correction by smartphone GPS, Phone finder

World Time
38 time zones (26 cities* , auto summer time (DST) switching), UTC time display, home city swapping, One-touch UTC display
* Subject to updates by connection between the watch and a phone.

Stopwatch
Stopwatch: 1-second stopwatch
Measuring Capacity:  99:59'59'
Measuring modes:  Elapsed time, split time

Timer
Countdown Timer: Timer for interval measurement (up to five time settings)
Measuring unit: 1 second
Input range: 00'00" to 60'00" (1-second increments)
Others: Auto-repeat (number of repeats settable from 1 to 20

Alarm
Alarm: 4 daily alarms with snooze

Light
Light: LED backlight (auto light, afterglow and selectable illumination duration [1.5 seconds/3 seconds])
Light Color: Red

Calendar
Full auto-calendar (to year 2099)

Timekeeping & Accuracy
12/24-hour format
Flight mode
Regular timekeeping:
Hour, minute, second, am/pm, month, date, day
User profile creation
Airplane mode
Vibration on/off
Memory in Pixel (MIP) LCD
Screen Off Function
Accuracy: ±15 seconds per month (with no mobile link function)