Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsSanturce Picúa — Swiss Automatic Dive Watch
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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

Picúa — Swiss Automatic Dive Watch
Diameter
41mm
39mm
Lug-to-Lug
48mm
46mm
lowest
Thickness
14mm
12.2mm
lowest
Water Resistance
300m
300m
MSRP
$2,500
$949
lowest
Movement
Sellita SW200-1
Sellita SW200-1
Case
4 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 Santurce Picúa — Swiss Automatic Dive Watch is widely praised for its 39mm case size and sandblasted steel finish, offering nuanced attention to detail for its price. Reviewers highlight the AR-coated sapphire crystal for its lack of glare and the excellent luminous material application. Owners also note the satisfying winding feel of the Sellita SW200-B automatic movement. Overall, owners and reviewers rate the Santurce Picúa — Swiss Automatic Dive Watch highly for its detailed finishing and wearability at its price point.
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