Buyalov СевморпутьvsMarathon GSAR (Government Search & Rescue) Diver's Automatic
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Севморпуть

GSAR (Government Search & Rescue) Diver's Automatic
Diameter
42mm
41mm
Lug-to-Lug
46.4mm
lowest
48mm
Thickness
13.7mm
lowest
14mm
Water Resistance
200m
300m
highest
MSRP
n/a
$2,500
Movement
Seiko NH36
Sellita SW200-1
Case
6 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Buyalov Севморпуть owners widely praise its coherent and strong design, with particular appreciation for its unique material finishes and case design, which some liken to ship clocks and submarine aesthetics. One owner notes the movement keeps very good time. The watch is described as a charismatic piece of Arctic legend, valued for its understated strength and engineering, and is priced at $230 with a sapphire crystal. Some enthusiasts express contention over the use of a Seiko NH36 movement instead of a Russian one, and the mix of submarine themes and case size were noted as reasons for hesitation by one buyer. On balance, owners rate the Buyalov Севморпуть highly for its unique design and material finishes at the price point.
The Marathon GSAR (Government Search & Rescue) Diver's Automatic is widely praised as a versatile and well-made tool watch, with reviewers highlighting its legibility, utilitarian build, and comfort. Owners appreciate the tritium gas tubes for exceptional illumination in darkness, a feature noted as superior to some alternatives. The 41mm case size is considered ideal by some, though one owner found it wore tall and bumped on objects. While the watch is generally seen as a solid value for a Swiss-made tool watch, some owners have reported quality control issues requiring warranty service. Overall, owners and reviewers rate the Marathon GSAR (Government Search & Rescue) Diver's Automatic highly for its robust build and constant legibility from tritium.
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