34MM BLACK GPM

STANDARD-ISSUE, TRITIUM, FIELD MECHANICAL, TYPE II

CASE DIAMETER: 34mm | CASE THICKNESS: 12.5mm | LUG TO LUG: 41mm | LUG WIDTH: 16mm

Commonly known as the General Purpose Mechanical (GPM). It can be wound through the automatic self-winding rotor or by manually winding the crown. Manufactured in accordance with MIL-PRF-46374G, Type II, Class 4.

PURPOSE-BUILT FOR ANY TERRAIN​

The General Purpose Field Watches are built to strict military standard, MIL-PRF-46374G, and finding its heritage since the development of that spec. Each General Purpose Field Watch features a 34mm high-impact composite fibreshell case for ultra-light durability.

TECHNICAL INFORMATION

• Movement: Seiko NH35A
• No of Jewels: 24
• Scale Quantity: 2
• Scale Range: 1-12 (13-24)
• Calendar Type: N/A
• Luminous Features: Tritium Gas Tubes
• Crystal Material: Sapphire
• Crown Type: Pressure
• Case Material: High-Impact Composite Fibreshell
• Case Finish: N/A
• Bezel Type: N/A
• Bezel Scale: N/A
• Submersibility: 3 ATM
• NSN: 6645-00-066-4279

THE GENERAL PURPOSE FIELD SERIES

Marathon General Purpose (GP) watches harken back to the original field watches developed by Marathon and issued to Allied forces in 1941. Built to U.S Military Standard MIL-PRF-46374 G with direct lineage to the legendary GG-W-113 Spec of the 1960s. These straightforward timepieces are designed for officers and infantry, purposefully engineered to handle the demands of ground operations.
Available in both 316L stainless steel and high-impact composite fibreshell for ultra-light durability, these watches offer hand-wind, mechanical and quartz iterations, full nighttime visibility, and an overall uncomplicated build.