Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsResco Hooper Diver - 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

Hooper Diver - Stainless
Diameter
41mm
40mm
Lug-to-Lug
48mm
46mm
lowest
Thickness
14mm
13mm
lowest
Water Resistance
300m
highest
200m
MSRP
$2,500
$1,305
lowest
Movement
Sellita SW200-1
Sellita SW200-1
Case
5 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.
The Resco Hooper Diver - Stainless is praised as a top-notch watch with tasteful design, drawing inspiration from the timepiece worn by Matt Hooper in JAWS. One owner prefers the blue dial over the orange-faced stainless steel model. Overall, owners rate the Resco Hooper Diver - Stainless highly for its design, referencing its iconic cinematic inspiration.
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