Marathon Watches: A Canadian Icon Built to Military Specification

Founded in Montreal in 1939 by Morris Wein, the third generation of a watchmaking family stretching back to 1904, Marathon Watch Company began supplying precision timing instruments to Allied Forces during World War II. That first contract, with the Royal Canadian Air Force, set the trajectory for everything that followed.

Over the next eight decades, Marathon grew into one of the world's most trusted military watch suppliers, providing timepieces to the US Armed Forces, the Canadian military, and allied forces around the world. Today, in its fourth generation of family ownership, Marathon is one of the only manufacturers still producing watches to the current US Military Standard MIL-PRF-46374G, the most demanding performance specification in existence, and one that no other brand builds to throughout its full lineup.

Designed in Canada and handcrafted at Marathon's own facility in La Chaux-de-Fonds, one of the historic heartlands of Swiss watchmaking, every Marathon watch begins with a simple premise: function first. The cases are solid 316L stainless steel.

The bezels are unidirectional, fully hashed, and built for gloved hands. The crowns are knurled and screw-down. And the illumination is not paint, not SuperLumiNova alone, but MaraGlo tritium — encapsulated H3 tritium gas tubes at every hour position and on every hand, glowing continuously without ever needing a charge from sunlight.

It is the same technology used in professional Search and Rescue operations, and it is one of the things that makes a Marathon immediately, unmistakably different from every other watch in a dark room.

The SAR Series — Where the Legend Lives

The Search and Rescue (SAR) series is the heart of the Marathon lineup. Developed to Canadian Government requirements for professional SAR operations and first introduced in the early 1990s, these watches have been issued to elite military and rescue personnel across North America ever since.

They are available in three sizes: 36mm, 41mm, and 46mm, and in both automatic and quartz configurations. All share the same fundamental DNA: a broad unidirectional diving bezel with a 60-minute scale, a deep sapphire crystal, a screw-down case back, 300m water resistance, and those tritium tubes that glow through the night without fail.

Marathon 41mm Arctic Edition Large Diver's Automatic (GSAR)

The Marathon 41mm Arctic Edition Large Diver's Automatic GSAR (Government Search and Rescue) is the most storied watch in the Marathon catalogue. Sought after by both active military personnel and collectors, it is a 41mm tool watch with absolutely nothing to prove and everything already proven.

The Arctic Edition puts a clean white dial into the standard GSAR case, and the effect is striking. Where the black dial version reads as deeply tactical, the Arctic Edition is bold and graphic, the large Arabic numerals, the dual 12/24-hour scale, and the red seconds hand all pop against the white ground with a clarity that borders on aggressive.

In strong light, it has the confident legibility of a professional instrument. In the dark, the tritium tubes, visible clearly at every hour position and on the hands, provide that characteristic warm, constant glow that no amount of charged lume can replicate.

The case itself demands attention in person. The fully brushed 316L stainless steel, the deep-set dial behind the tall bezel, the wide crown guards flanking that knurled screw-down crown, the radioactive symbol and H3 designation quietly noting the illumination system, this is a watch that communicates its purpose through architecture alone. 

At 41mm with a 48mm lug-to-lug and 14mm of thickness, it is substantial but not unwieldy, and the rubber strap keeps the overall wearing experience remarkably comfortable. Inside beats the Marathon M2, a Sellita SW200-1 automatic, 26 jewels, Swiss Made, reliable and proven.

We put the GSAR through its paces in a full hands-on review. Read it here.

The 41mm Arctic Edition GSAR is available at Watchbandit on rubber strap at €1,999 and on stainless steel bracelet at €2,107.

Marathon 41mm Original SAR w/ Date (OSAR-D)

If the GSAR is the legend, the Marathon 41mm Original SAR w/ Date (OSAR-D) is its evolution. Originally issued to Canadian SAR technicians in the early 2000s as the SAR-D, the new OSAR-D has been fully re-engineered, upgraded MaraGlo illumination, larger indices, an improved cyclops date magnifier, and a Sellita SW200-1 with Incabloc shock absorption.

The black dial is as close to a pure tool watch as you can get without an active service contract: round MaraGlo dot indices, a triangular 12 o'clock marker and that unmistakable MARATHON wordmark in clean white at 12.

The side profile makes the case architecture very clear. The bezel is deep, the case walls are thick, the crown guards are serious. This is 300m-rated, ISO 6425 certified, military-spec hardware. And yet it wears, as every 41mm Marathon does, far more easily on the wrist than the dimensions suggest. The lug-to-lug of 48mm and the 14mm case height sound imposing until you put it on.

The 41mm OSAR-D is available at Watchbandit on rubber strap at €1,656 and on stainless steel bracelet at €2,016.

The Best Place to Buy Marathon Watches in Europe

Watchbandit is an authorised Marathon retailer — one of the very few in Europe. That means full manufacturer's warranty, genuine stock, and the support of a team that has been living and breathing microbrands and military watches since 2014. Whether you are new to Marathon or already know exactly which reference you want, you are in the right place.

Browse the full Marathon collection at Watchbandit →

Specifications at a glance

41mm Arctic Edition GSAR — Automatic Case: 316L stainless steel · 41mm / 48mm lug-to-lug / 14mm thick · Movement: Marathon M2 (Sellita SW200-1), 26 jewels · Water resistance: 300m / 1000ft · Crystal: Sapphire · Illumination: MaraGlo + tritium H3 · Bezel: Unidirectional, fully hashed · From €1,999

41mm Original SAR w/ Date OSAR-D — Automatic Case: 316L stainless steel · 41mm / 48mm lug-to-lug / 14mm thick · Movement: Sellita SW200-1 with Incabloc · Water resistance: 300m / 1000ft · Crystal: Sapphire with cyclops · Illumination: MaraGlo + tritium H3 · Bezel: Unidirectional, fully hashed · From €1,656

Watch pictures by Luuk Leppen