Marathon General Purpose Mechanical Watch (GPM)

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  • $324.00
  • Regular price $360.00

This is the brand new & improved General Purpose Mechanical (GPM) watch from Marathon! The new GPM features a dual winding mechanical/automatic movement, a scratch resistant sapphire crystal, and improved water resistance.

A Military Mechanical Watch with Style and Enhanced Visibility

  • 24 jewel dual winding mechanical/automatic movement
  • Black face with luminous hour & minute hands and hour markings illuminated by Tritium (Isotope H3), as well as a sweep second hand
  • White numerals and a sweep second hand
  • Color-matched 16mm nylon mil-spec strap and buckle closure that adjusts to most wrist sizes
  • 3mm scratch-resistant sapphire crystal face withstands field use
  • "Hacking" movement (second hand stops when the crown is pulled out)

A Mechanical Watch with Army-Tough Features

As with all Marathon watches, the General Purpose Mechanical (GPM) WW194003 is a genuine military issue watch (NSN 6645-00-066-4279). Built in accordance with mil spec MIL-PRF-46374G, the GPM watch is intended for field use by infantry and other military personnel. Not in the military? No problem! This amazing timepiece is right at home on civilian wrists as well with it's classic analogue dial and military simplicity & reliability.

The newly redesigned GPM houses a fantastic Japanese-made "Dual Winding Movement" (DWM), which means it can be wound using the crown or by natural body movements via the automatic self-winding rotor. Mechanical watch enthusiasts will appreciate the sound of the running movement as well as the feel of the rotor as it oscillates. When fully wound, the 24 jewel precision movement will continue running for approximately 41 hours without additional winding.

The case of the new General Purpose Mechanical watch is made of tried-and-true Marathon high-impact fibreshell material, ensuring case integrity while keeping weight down. Of course, you get self-illuminating, long-lasting Tritium on the hour & minute hands and dial. The 12 o'clock position is illuminated orange, while the other markers and hands are green. The highly effective Marathon Tritium does not require light to recharge, will glow reliably for many years, and gives great visibility in low to zero light conditions. The crystal on the GPM is made of durable, 3mm thick scratch and impact resistant sapphire, ensuring years of legibility. To top things off, Marathon increased the water resistance to an impressive 5 atmospheres (50 meters/164 feet).

Packaged with the General Purpose Mechanical (GPM) is a color-matched 16mm wide nylon strap that is manufactured in accordance with mil spec MIL-S-46383B Type II. This comfortable, lightweight and washable nylon watch band will keep the GPM safe on your wrist. (Additional watch straps are available separately.) The Marathon General Purpose Mechanical (GPM) Army field watch is available in Black (WW194003), Desert Tan (WW194003DT), and Sage Green (WW194003SG).

The Marathon GPM is a perfect blend of Swiss craftsmanship and Japanese precision, with the assembly of the watch taking place in La Chaux de Fonds, Switzerland.


Brand: Marathon
Color: Black,Desert Tan,Sage Green
Product Type: Hiking & Camping,Military Issue,Police / Field Use
Movement: Automatic,Mechanical
Dial: U.S. Government
Crystal: Scratch Resistant Sapphire
Case Material: Fibreshell
Illumination: Tritium (H3)
Movable Bezel: None
Water Resistance: 5 Atmospheres (50m/164ft.)
Strap Material: Nylon (16mm)
Bezel Diameter: 31mm
Case Diameter: 34.7mm
Case Height: 12.6mm
Lug-to-Lug Diameter: 41mm
Lug Width: 16mm
Watch Weight: 44 grams (1.6 oz.)



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