Casio

G-Shock Mudmaster GG-B100

The first Bluetooth Mudmaster, battery powered

Current
  • Best value (based on RRP)

Launched 2019RRP £349, the maker's recommended retail price

The GG-B100 is a battery-powered Mudmaster with Bluetooth, a step counter, compass, altimeter, barometer and thermometer in a Carbon Core Guard case. Its location indicator points back to a spot recorded on the watch, using the phone's location.

Key specifications

Overall score
5.5 out of 10,Mid-rangeHow we score
Case size
length 55.4 mm, width 51.3 mm, height 19.4 mm
Weight
92 g
Water resistance depth
200 m

Full specification

Bars, drawing and score: Black (standard model)

Size and weight

Case size
70 mmside profile15 mmlength 55.4 mm, width 51.3 mm, height 19.4 mm
Weight
92 g

Power and timekeeping

Solar charging
No
Radio time sync (Multi-Band 6)
No

Connections and navigation

Bluetooth
Yes
Phone app features
Auto time adjustment, location indicator back to a recorded spot, mission log, step count data transfer, auto altitude calibration, phone finder, about 300 world time cities
Navigation to a set point
Uses the phone's location

Sensors

Digital compass
Yes
Altimeter and barometer
Yes
Thermometer
Yes
Step counter
Yes

Build

Analogue hands
Yes
Sapphire crystal
No
Vibration resistant (as listed by Casio)
No
Carbon Core Guard case
Yes
Water resistance depth
200 m
Materials
Carbon fibre-reinforced resin case, carbon and resin bezel, resin band

Variants

8 variants

  • GG-B100-1ABlackStandard model

    Weight
    92 g
    UK model code
    GG-B100-1AER
    RRP
    £349
  • GG-B100-1A3Black, olive band

    Weight
    92 g
    UK model code
    GG-B100-1A3ER
    RRP
    £349
  • GG-B100-1A9Black, orange band

    Weight
    92 g

    Not sold in the UK

  • GG-B100-1BAll black

    Weight
    92 g

    Not sold in the UK

  • GG-B100-8ABlack and grey

    Weight
    92 g

    Not sold in the UK

  • GG-B100Y-1ABlack, yellow accents

    Weight
    92 g
    UK model code
    GG-B100Y-1AER
    RRP
    £349
  • GG-B100BA-1ABritish Army

    Colour
    Beige camouflage
    Edition
    British Army collaboration
    Weight
    92 g

    Not sold in the UK

  • GG-B100BTN-1ABurton

    Colour
    Black and white
    Edition
    Burton collaboration
    Weight
    97 g

    Not sold in the UK

Alternatives

Chosen from the overall scores, recommended retail prices and sizes of the models on sale in the UK.

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Sources

Specifications last checked on .

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