Marathon 41mm Diver's Automatic OSAR-D Arctic Type I WW194006SS-2530

The 41mm OSAR-D Arctic Edition builds on the strengths of the SAR-D, originally issued to Canadian SAR (Search and Rescue) Techs in the early 2000s. Today’s OSAR-D is re-engineered with upgraded MaraGlo illumination, larger indices, improved cyclops and a Sellita SW200-1 automatic movement with Incabloc® Shock Absorber. Continuing the tradition of offering a white dial option for models in the SAR lineup, the Arctic OSAR-D provides better legibility in bright and snow-blind scenarios.


The Marathon OSAR-D Arctic Type I 41mm (WW194006SS-2501) is a specialized evolution of the brand’s military-issued dive watches, built with a sharper focus on operational functionality and clarity. Housed in a robust stainless steel case, this model features a striking white “Arctic” dial that maximizes contrast against its bold black hands and markers, all powered by tritium gas tubes for constant, maintenance-free illumination. The dial layout is purpose-driven and sterile, emphasizing quick readability, while the unidirectional bezel and screw-down crown reinforce its professional-grade dive capabilities. At its core, a reliable automatic movement ensures consistent performance in demanding conditions.

What sets the OSAR-D Arctic apart is its stripped-down, mission-first design—it’s engineered for real-world use, not aesthetic flex. With 300 meters of water resistance, a sapphire crystal, and the durable Type I bracelet, it’s built to handle extreme environments without compromise. The high-contrast Arctic dial gives it a unique visual edge while enhancing legibility in snow, water, and low-light scenarios alike. For collectors who appreciate true field gear with military pedigree, the OSAR-D Arctic stands as a no-nonsense, highly capable tool watch that delivers exactly what it promises.

Reference: WW194006SS-2530

Bracelet: Rubber Strap

Case: 41mm x 14mm Thickness x 48mm lug to lug - Stainless Steel

Water Resistance: 300m (30ATM)

Lug Width: 20mm

Movement: Sellita SW200-1 w/ Incabloc Shock Absorber - Automatic

Dial: Arctic White - MaraGlo

Functions: HMS, Date

Box and Papers: Inner/outer boxes, and warranty card

Crystal: Sapphire

Bracelet size: 7.75"

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Marathon Watches is a Canadian watch company with roots dating back to 1939, though the Wein family’s involvement in watchmaking stretches back to the early 1900s. Founded in Montreal by Morris Wein, Marathon built its reputation producing timing instruments and military watches for Allied forces during World War II. Today, the brand remains one of the few companies still manufacturing watches to official military specifications for government and military use.

What makes Marathon unique is its focus on true utility. Marathon watches are designed in Canada and manufactured in Switzerland, combining Swiss production quality with genuine military heritage. Models like the GSAR and TSAR are known for their rugged construction, tritium tube illumination, and highly legible dials built for search and rescue operations, diving, and field use.

Unlike many modern tool watch brands, Marathon continues to prioritize function over luxury marketing. That authenticity has earned the brand a loyal following among collectors, military personnel, and enthusiasts who appreciate purpose built watches with real operational history.