Casio
G-Shock Mudmaster GWG-B1000
Solar, radio sync, Triple Sensor and Bluetooth together
- Best overall
The GWG-B1000 combines Tough Solar charging, Multi-Band 6 radio time sync, a compass, altimeter, barometer and thermometer with a Bluetooth link to the phone. Its location indicator shows the bearing and distance to a saved point, using the phone's location.
Key specifications
- Overall score
- 8.9 out of 10,Top of the rangeHow we score
- Case size
- length 58.7 mm, width 52.1 mm, height 16.2 mm
- Weight
- 114 g
- Water resistance depth
- 200 m
Full specification
Size and weight
- Case size
- length 58.7 mm, width 52.1 mm, height 16.2 mm
- Weight
- 114 g
Power and timekeeping
- Solar charging
- Yes
- Radio time sync (Multi-Band 6)
- Yes
Connections and navigation
- Bluetooth
- Yes
- Phone app features
- Auto time adjustment, location indicator, mission log, TIME & PLACE, 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
- No
Build
- Analogue hands
- Yes
- Sapphire crystal
- Yes
- Vibration resistant (as listed by Casio)
- Yes
- Carbon Core Guard case
- Yes
- Water resistance depth
- 200 m
- Materials
- Carbon fibre-reinforced bio-based resin case, stainless steel bezel, bio-based resin band
Variants
7 variants
GWG-B1000-1ABlack- UK model code
GWG-B1000-1AER- RRP
- £699
GWG-B1000-1A4Black, burgundy bandNot sold in the UK
GWG-B1000-3AGreen- UK model code
GWG-B1000-3AER- RRP
- £699
GWG-B1000EC-1AEmergency Colors- Colour
- Black with red, orange and yellow accents
- Edition
- Emergency Colors (2024)
- UK model code
GWG-B1000EC-1AER- RRP
- £699
GWG-B1000TLC-1AToyota Land Cruiser- Colour
- Black and grey
- Edition
- Toyota Land Cruiser limited edition (2026)
- RRP
- £779
GWG-B1000MG-1A9Magma- Colour
- Black with gold and orange
- Edition
- Magma limited edition (2026)
- RRP
- £800
GWG-B1000-1A3Black, olive green band- Edition
- Japan release (September 2026)
Not sold in the UK
Compare with
Each link opens the two side by side in the comparison.
Sources
Specifications last checked on .
Sources (23) Close
Casio (archived 2023), GWG-B1000-1A (opens in a new tab)checked
Covers: Variants, Case size, Weight, Sapphire crystal, Vibration resistant (as listed by Casio), Carbon Core Guard case, Water resistance depth, Materials.
Casio (archived 2023), GWG-B1000-1A4 (opens in a new tab)checked
Covers: Variants.
Casio (archived 2023), GWG-B1000-3A (opens in a new tab)checked
Covers: Variants.
Casio (archived 2024), GWG-B1000EC-1A (opens in a new tab)checked
Covers: Variants.
Casio manual 5713, Location Indicator (opens in a new tab)checked
Covers: Navigation to a set point.
Casio manual 5713, Specifications (opens in a new tab)checked
Covers: Solar charging, Radio time sync (Multi-Band 6), Bluetooth, Phone app features, Digital compass, Altimeter and barometer, Thermometer, Step counter, Analogue hands.
Casio UK (archived 2026), GWG-B1000MG-1A9 (opens in a new tab)checked
Covers: Variants.
Casio UK G-SHOCK, Mudmaster collection (opens in a new tab)checked
Covers: Status, Variants, Variants sold in the UK, UK RRP.
Casio UK, GWG-B1000-1A (opens in a new tab)checked
Covers: Status, Variants, UK availability, Variants sold in the UK, UK RRP.
Casio UK, GWG-B1000-1A3 (opens in a new tab)checked
Covers: Variants not sold in the UK.
Casio UK, GWG-B1000-1A4 (opens in a new tab)checked
Covers: Variants not sold in the UK.
Casio UK, GWG-B1000-3A (opens in a new tab)checked
Covers: Variants sold in the UK, UK RRP.
Casio UK, GWG-B1000EC-1A (opens in a new tab)checked
Covers: Variants sold in the UK, UK RRP.
Casio UK, GWG-B1000MG-1A9 (opens in a new tab)checked
Covers: Variants sold in the UK, UK RRP.
Casio UK, GWG-B1000TLC-1A (opens in a new tab)checked
Covers: Variants sold in the UK, UK RRP.
Casio UK, search for GWG-B1000 (opens in a new tab)checked
Covers: Variants not sold in the UK.
F.Hinds, search for GWG-B1000 (opens in a new tab)checked
Covers: Variants not sold in the UK.
G-Central, February 2026 releases (opens in a new tab)checked
Covers: Variants.
G-Central, GWG-B1000 specifications (opens in a new tab)checked
Covers: Launch date.
G-Central, GWG-B1000-1A3 announcement (opens in a new tab)checked
Covers: Variants.
G-Central, Mudmaster history (opens in a new tab)checked
Covers: Tagline.
John Lewis, GWG-B1000-1AER (opens in a new tab)checked
Covers: Status, Variants, Variants sold in the UK, UK RRP.
John Lewis, search for Casio GWG-B1000 (opens in a new tab)checked
Covers: Variants not sold in the UK.