Introduction This Casio G-SHOCK Mudmaster GWG-1000-1A3JF is a professional-grade tool watch engineered for extreme environments. Designed for durability and functionality, it combines G-SHOCK’s renowned shock resistance with advanced sensor technology in a bold, military-inspired design. Historical & Collector Value The Mudmaster series represents one of the most robust lines within the G-SHOCK collection. Developed for use in harsh terrestrial conditions, the GWG-1000 integrates Triple Sensor technology (altimeter, barometer, compass) and Tough Solar power. The 1A3JF variant, with its khaki resin strap and tactical aesthetic, has become especially popular among collectors who appreciate purpose-built watches with genuine field capability. As part of the Master of G series, this model stands as a flagship example of Casio’s technical innovation in the modern era. Specifications • Brand: Casio • Model: G-SHOCK Mudmaster • Reference: GWG-1000-1A3JF • Movement: Tough Solar quartz • Case Material: Resin and stainless steel • Strap Material: Resin strap • Case Size: 53.5 mm (excluding crown area) • Water Resistance: 200 meters (20 bar) • Functions: Triple Sensor (Altimeter, Barometer, Compass), Temperature sensor • Features: Shock resistant, Mud resistant, World time, Multi Band 6 radio control • Display: Analog-digital combination • Accessories: Original Casio box included Condition Condition: Good The case and bezel show visible signs of wear including surface scratches and minor scuffs consistent with regular use. The resin strap shows usage marks but remains structurally sound. The crystal is clear with no major visible damage. All buttons respond correctly and functions operate as intended. Service History Fully operational and thoroughly tested. Overhauled (OH completed). The movement and sensor functions have been checked to ensure accurate operation and reliable performance. Shipping & Customs International shipping is available. The watch will be securely packaged, including the original box, to ensure safe delivery. Any customs duties or import taxes are the responsibility of the buyer.