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New Releases Β· 2026-10-20

G-SHOCK MUDMASTER GWG-B1000-1A3: tactical green meets serious field sensors

Casio's latest tactical-colour MUDMASTER combines an olive bio-resin strap, tan accents, Tough Solar power and compass, altimeter and barometer functions.

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By Chronolume digest Β· Original English summary Β· Based on Casio official European product announcement; European release reporting 20 October 2026

Casio G-SHOCK MUDMASTER GWG-B1000-1A3 olive green tactical solar watch
MUDMASTER in tactical green and tan, model GWG-B1000-1A3. Casio β†—

What to know

Casio's tactical-colour MUDMASTER GWG-B1000-1A3 makes no attempt to hide its military-inspired character. An olive bio-based resin strap, sand-tan dial accents and black protective casework borrow their palette from field equipment, while the oversized guards and textured controls prioritize operation in rough conditions.

The engineering is more important than the colour. Tough Solar quartz drives an analogue-digital display backed by Bluetooth, Multi Band 6 radio correction and Casio's Triple Sensor system: digital compass, barometer and altimeter, plus thermometer. Mud, shock and vibration resistance are part of the design brief, alongside a sapphire crystal and 200m water resistance. Following an initial Japanese release in September, this GWG-B1000 colourway reached European listings in October 2026. It is very much a real outdoor instrument, albeit one with substantial 58.7 Γ— 52.1mm proportions.

Casio GWG-B1000-1A3 additional full product view
An alternative view of the same field-sensor MUDMASTER reference. Casio β†—

At a glance

Specifications reported by Casio official European product announcement; European release reporting 20 October 2026
ReferenceGWG-B1000-1A3
Case58.7 Γ— 52.1 Γ— 16.2mm; resin and steel
MovementTough Solar quartz analog-digital
SensorsCompass, altimeter/barometer, thermometer
FunctionsBluetooth smartphone link, Multi Band 6
Water resistance200m
ConstructionMud, dust, vibration and shock resistance
Market timingIntroduced in Japan September 2026; newly presented in Europe October 2026

Explore the watches

Casio GWG-B1000-1A3 Β· GWG-B1000-1A3 β†—

Source & attribution

Casio official European product announcement; European release reporting 20 October 2026 Β· Published 2026-10-20 β†—

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