Hyper-functional field watch built to U.S. mil-spec standards
Marathon General Purpose watches reference the brand’s original field watches issued to the Allied Forces in 1941. This modern model, commonly known as the General Purpose Mechanical (GPM), has direct lineage to Marathon's famous field watch, and can be wound through the automatic self-winding rotor or manually via the crown. To ensure its durability, the GPM is manufactured in accordance with U.S. military standard MIL-PRF-46374G, Type II, Class 4.
Features
Built to U.S. mil-spec standards
Automatic self-winding with option to manually wind via crown
Highly durable ballistic nylon strap
Materials
Case Material: High-Impact Composite Fibreshell
Crystal Material: Scratch-Resistant Sapphire
Strap Material: 16mm Ballistic Nylon
Imported
Specs
Watch Movement
Seiko NH35A
Water Resistance
30 meters
Case Diameter
34 mm
Lug-to-Lug
41mm
Case Height
12.5 mm
Case Material
High-Impact Composite Fibreshell
Marking
1-12 and 13-24 Scale
Illumination
Tritium Gas Tubes on Hr Markers & Hr/Minute Hands
Strap Width
16 mm
Sizing
The General Purpose Mechanical fits most wrist sizes
About Marathon
Marathon has been crafting precision timepieces since 1939, supplying military personnel and government agencies around the world with watches built to rigorous testing standards—from field watches for the Allied Forces to dive watches for elite search and rescue teams. Now in its fourth generation of family ownership, Marathon continues to build Swiss-engineered watches with military durability and timeless silhouettes.
