Marathon Arctic OSAR 36mm AutomaticvsCWC Arctic Radar Automatic 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.

Arctic OSAR 36mm Automatic

Arctic Radar Automatic Diver
Diameter
36mm
41mm
Lug-to-Lug
43.5mm
lowest
47mm
Thickness
13mm
11.4mm
lowest
Water Resistance
300m
300m
MSRP
$1,200
lowest
$2,031
Movement
Sellita SW220-1
Sellita SW200-1
Case
5 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Marathon Arctic OSAR 36mm Automatic for its tough, reliable feel and looks, with tritium tubes considered an exotic plus for visibility. The 36mm size is noted as a budget-conscious choice for smaller wrists, fitting well on sub-7-inch wrists, though one owner found the size too small and another is still getting used to it. The watch is described as a purpose-built tool watch, not designed for versatility with suits, but rather for singular focus on usefulness and durability. Overall, owners and reviewers rate the Marathon Arctic OSAR 36mm Automatic highly for its durable tool-watch nature and useful tritium illumination.
Owners widely praise the CWC (Cabot Watch Company) Arctic Radar Automatic Diver Watch for its robust build, comparing its toughness to that of the Marathon GSAR, and appreciate its preferred aesthetic and smooth bezel action. One owner reports accuracy of +3 seconds per day. Some owners note fixed springbars as a potential drawback. On balance, owners rate the CWC (Cabot Watch Company) Arctic Radar Automatic Diver Watch highly for its cool factor and military connection, deeming it a very solid watch.
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