Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsMarin Instruments Standard Skin-Diver
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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

Standard Skin-Diver
Diameter
41mm
39mm
Lug-to-Lug
48mm
n/a
Thickness
14mm
n/a
Water Resistance
300m
highest
200m
MSRP
$2,500
$1,050
lowest
Movement
Sellita SW200-1
Sellita SW200-1
Case
6 specsCrystal & Dial
2 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 Marin Instruments Standard Skin-Diver for its comfortable 39mm case size and versatile 20mm lug width, with reviewers highlighting its practical, legible design featuring a matte black dial and excellent BGW9 lume. The bezel action is described as a smooth, precise 60-click, and the watch is powered by a reliable Sellita SW200-1 automatic movement. Some owners find the lume adequate but not class-leading compared to other brands, and one reviewer noted the "SKIN-DIVER" text on the dial as contrived. The price point, around US$1,150 to US$1,295, is considered appropriate for its value by some, while others view it as the largest con. Overall, owners and reviewers rate the Marin Instruments Standard Skin-Diver highly for its well-balanced design and wearability at its price point.
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