By Brent Robillard
Happy Independence Day
That Marathon would choose to mark the 250th anniversary of the United States with a Navigator couldn’t be more fitting. Few collections in the brand’s catalogue feel more closely tied to military history and practical service than the long-running Pilot’s Navigator line. There is also a nice sense of continuity here. The Navigator line traces its roots back to the mid-1980s and a U.S. Air Force request connected to Kelly Air Force Base in Texas. Four decades later, the formula remains remarkably intact: lightweight, legible, and unapologetically functional.
Over the years, I’ve had the chance to handle several versions of the Navigator platform—including the recent Cerashell models—and I even own the stainless steel SSNAV-D myself. It remains one of those watches that feels refreshingly straightforward.

Key Features of the Marathon Anthracite Pilot Navigator U.S. 250 SSNAV-D
Limited Edition
Now, Marathon Watch is giving the design a distinctly commemorative twist with the release of the limited-edition U.S. 250 41mm Anthracite Stainless Steel Navigator with Date Automatic. Produced in a run of just 250 pieces, the watch celebrates America’s upcoming semiquincentennial while introducing two firsts for the Navigator family: an anthracite ion-plated stainless steel case and a display caseback.
Check out the Anthracite SAR Collection from Marathon
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Anthracite
Visually, the anthracite finish changes the character of the Navigator more than one might expect. The collection has traditionally leaned heavily into matte utilitarianism, but here the darker treatment gives the case a slightly more modern and almost tactical appearance without straying too far from the watch’s military roots. Marathon says the finish was inspired by the phrase “the twilight’s last gleaming” from The Star-Spangled Banner, and while commemorative editions can sometimes feel heavy-handed, the references here appear reasonably restrained.
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Commemorative details

Limited Edition
But frankly, beneath the commemorative touches, this still appears to be very much a Navigator. The strength of Marathon’s modern catalogue has always been its refusal to turn military-inspired watches into overly polished lifestyle objects. Even when experimenting with materials or finishes, the watches generally retain the practical DNA that made them appealing in the first place. According to Marathon, the U.S. 250 edition is still constructed to the same standards that guide the company’s military and government supply work, which should reassure enthusiasts worried about substance being overshadowed by symbolism.

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Display caseback
That said, perhaps the most surprising addition here is the display caseback. Marathon has historically kept things fairly closed-off and functional, so introducing an exhibition back to the Navigator line feels like a fairly big shift. It may not matter to purists who prefer the traditional fully enclosed case, but it does acknowledge that many modern buyers enjoy seeing the movement at work—even in a tool watch.

Final Thoughts & Pricing
Limited to 250 examples and priced at $1,776 USD (very catchy), the new U.S. 250 Anthracite SSNAV-D is available for pre-order now through the brand website. For collectors already fond of the Navigator platform, this feels less like thoughtful commemorative variation on one of Marathon’s most recognizable modern tool watches.
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