Casio G-Shock GWG-B1000-1AJF Mudmaster Solar Radio Watch

Product Overview

The Casio G-Shock Mudmaster GWG-B1000-1AJF is engineered for extreme conditions, combining rugged durability with advanced sensor and solar technologies. Equipped with Triple Sensor, Multiband 6 radio timekeeping, and a powerful LED lighting system, this model is built to perform under pressure.

Key Features

• Tough Solar Power
  Charges via sunlight or indoor light. Operates up to 6 months on full charge (24 months in power-saving mode).

• Multiband 6 Radio-Controlled Timekeeping
  Receives atomic time signals from six transmission stations worldwide for highly accurate time.

• Triple Sensor Technology

  • Altimeter: Measures altitude based on atmospheric pressure changes

  • Barometer: Detects weather changes

  • Thermometer: Measures ambient temperature

• World Time
  Displays current time in 55 cities (38 time zones), with automatic daylight saving and home city swap function.

• Sunrise and Sunset Display
  Shows sunrise and sunset times based on set location.

• Chronograph Functions

  • Stopwatch: 1/100s accuracy, up to 24 hours, with split time

  • Timer: 1-minute increments, up to 60 minutes

• 5 Daily Alarms & Hourly Signal
  Set up to 5 alarms and enable hourly chimes.

• Dual LED Lighting

  • Dial: White LED with auto light and afterglow (1.5s / 3s)

  • LCD: Separate white LED with identical lighting features

• Auto Features

  • Automatic hand correction

  • Hand retraction during sensor measurement

  • Power-saving: turns off display and stops hands in darkness

  • Fully automatic calendar (no manual adjustments required)

• Additional Functions

  • 12/24-hour format

  • Battery indicator and warning display

  • Button operation tone on/off

  • Manual and automatic hand retraction

Specifications

• Model: GWG-B1000-1AJF

• Case Size: 58.7 x 52.1 x 16.2 mm

• Weight: 114g

• Water Resistance: 20 ATM (200 meters)

• Movement: Solar-powered quartz with radio reception

• Sensors: Altimeter / Barometer / Thermometer

• Display: Analog + LCD

• Lighting: Dual white LED lights (dial + LCD)

Package Includes

• Casio G-Shock GWG-B1000-1AJF Watch

• Casio branded box

• Instruction manual