G-Shock Master of G Mudmaster GWGB1000-1A brand_fears The screwdown see-through caseback provides

The screwdown see-through caseback provides a view of the 24-jewel automatic movement

and a power reserve of approximately 41 hours

With an automatic movement and water resistance to 150 metres

while the optional stainless-steel bracelet provides an elegant alternative

durable NATO strap: The new Khaki Field Mechanical is a faithful recreation of its original 1960s forebear and is true to Hamilton’s military heritage

G-Shock Master of G Mudmaster GWGB1000-1A brand_fears The screwdown see-through caseback providesThe ultimate outdoor G Shock, full stop Enjoy both fearless adventure and a comfortable fit with this tough and rugged Master of G Mudmaster flagship timepiece. This analog digital combination watch delivers more comfortable fit and outstanding durability with a robust exterior incorporating a guarding structure built with metal components. The watches of the G SHOCK Master of G line, developed for professionals working in the harshest environments,