36mm Officer's Mechanical (GPM) on Nylon DEFSTAN

36mm SSGPM

Standard-Issue, Tritium
Officer's Mechanical, Type II

$725.00 USD

Marathon's Officer's Watch features a case diameter of 36mm, a thickness of 11mm, and 16mm lug width, making it perfect size for everyday wear.

Commonly known as the Officer’s Field Watch Mechanical (OFM) or Stainless Steel General Purpose Mechanical (GPM-SS).

SKU: WW194003SS-0108
NSN: 6645-01-696-8175

Dial Markings

Standard Issue

Standard Issue

Strap Colour

Black

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Free shipping on orders over $250USD*

Engraved orders will require a minimum of 2 weeks to fulfill. Any returned engraved watches are subject to a restocking fee.

Visit SAR Sizing Info to find the right watch size for your wrist.

Extras

Nylon DEFSTAN Strap, Black, 16mm + $72.00

Nylon DEFSTAN Strap, Desert Tan, 16mm + $72.00

Nylon DEFSTAN Strap, Sage Green, 16mm + $72.00

16mm - 10" Length - Ballistic Nylon Watch Band/Strap with Stainless Steel Buckle - marathonwatch | WS-NY-DTBK-16-10

Ballistic Nylon Strap, Desert Tan, 16mm + $32.00

WW005002BK_strap_upright - marathonwatch | WS-NY-BKBK-16-10 WS-NY-BKBK-16-11

Ballistic Nylon Strap, Black, 16mm + $32.00

36mm SSGPM

Standard-Issue, Tritium - Officer's Mechanical, Type II

$725.00 USD

36mm

CASE DIAMETER

10.5mm

CASE THICKNESS

44mm

LUG TO LUG

16mm

LUG WIDTH

PURPOSE-BUILT FOR ANY TERRAIN

A Swiss-made Sellita SW210-1 mechanical movement—with 18 jewels—ensures accurate timekeeping and longevity. The watch features two scale quantities with a range of 1-12 and 13-24, making it easy to read both standard and military time.

The Officer's Watch is also equipped with luminous features, including Tritium Gas Tubes and MaraGlo™, which allow you to read the time in low-light conditions. The crystal material is made of Sapphire, providing a scratch-resistant surface for the watch face.

The crown type is pressure-sealed, ensuring that the watch is water-resistant to a depth of 5 ATM. The case material is constructed from 316L Stainless Steel with a Parkerized finish, giving the watch a sleek and durable look.

Product Manual

Technical information

Movement: Sellita SW210-1 with Incabloc Shock Absorber

No of Jewels: 18

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: 316L Stainless Steel

Case Finish: Parkerized

Bezel Type: N/A

Bezel Scale: N/A

Submersibility: 5 ATM

Spec sheet

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.

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36mm SSGPM

36mm SSGPM

Standard-Issue, Tritium - Officer's Mechanical, Type II

36mm

10.5mm

44mm

16mm

PURPOSE-BUILT FOR ANY TERRAIN

Technical information

The General Purpose Field Series

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BUILT FOR EVERY WRIST & OPERATION

BUILT FOR EVERY WRIST & OPERATION

Cart

No more products available for purchase

36mm SSGPM

36mm SSGPM

Standard-Issue, Tritium - Officer's Mechanical, Type II

36mm

10.5mm

44mm

16mm

PURPOSE-BUILT FOR ANY TERRAIN​

Technical information

The General Purpose Field Series

PURPOSE-BUILT FOR ANY TERRAIN