Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsResco Stainless
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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.

GSAR (Government Search & Rescue) Diver's Automatic

Stainless
Diameter
41mm
44mm
Lug-to-Lug
48mm
lowest
51.4mm
Thickness
14mm
13.5mm
lowest
Water Resistance
300m
highest
200m
MSRP
$2,500
$1,955
lowest
Movement
Sellita SW200-1
Sellita SW200-1
Case
6 specsCrystal & Dial
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
Owners widely praise the Resco Stainless for its durability, build quality, and excellent customer service, with many valuing support for a US small business. One owner notes the watch features a tight bezel and bright lume, and is comfortable on a NATO strap. However, one owner experienced rust on stainless steel parts despite regular rinsing after diving. The matte case back can show strap wear quickly. Overall, owners rate the Resco Stainless highly for its robust build and customer support, especially for those valuing American-made products.
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