Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsSpinnaker Tesei Bronze Swiss
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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

Tesei Bronze Swiss
Diameter
41mm
43mm
Lug-to-Lug
48mm
lowest
52mm
Thickness
14mm
lowest
16mm
Water Resistance
300m
300m
MSRP
$2,500
$850
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.
Owners widely praise the Spinnaker Tesei Bronze Swiss for its intricate detail and solid specifications for the price, with one owner highlighting the Sellita SW200 movement and ceramic bezel. However, some owners find the watch to feel light, with a bracelet that resembles aluminum and a dial that appears plastic-like, contributing to a cheap overall feel. Other community members note that while Spinnaker watches are generally well-built, their finishing is basic, and bracelets are considered less refined than those from some Chinese brands, with one owner criticizing the dial for too many numerals and an overly busy design. On balance, owners rate the Spinnaker Tesei Bronze Swiss positively for its detailed dial and value, though some express a desire for a smaller case size and find the overall finishing to be basic.
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