Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsWolbrook Skindiver Automatic

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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

Skindiver Automatic
Diameter
41mm
40mm
Lug-to-Lug
48mm
n/a
Thickness
14mm
13mm
lowest
Water Resistance
300m
highest
150m
MSRP
$2,500
$449
lowest
Movement
Sellita SW200-1
Miyota 8315
Case
4 specsCrystal & Dial
2 specsMovement
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 Wolbrook Skindiver Automatic for its vintage aesthetic, comfortable wearability, and legible dial, with many noting the quality of the Beads of Rice bracelet and tropic strap. Some owners report exceptional accuracy from the Miyota 8315 movement, while others find it noisy. Criticisms include laughable lume from one source, a crown that lacks a positive lock, and drilled lugs that can be problematic with certain spring bars. The warranty policy not transferring to subsequent owners is a significant concern for some. Overall, owners and reviewers consider the Wolbrook Skindiver Automatic a quality piece for its price, offering a handsome vintage look with solid specifications.
The vintage-inspired design and comfortable wearability of the 38mm case are consistently praised. However, reviewers note that the bracelet feels light and lacks a premium feel. Opinions are divided on the world timer bezel.
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