Marathon Arctic OSAR 46mm AutomaticvsDamasko DSub50
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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 46mm Automatic

DSub50
Diameter
46mm
43mm
Thickness
13mm
n/a
Water Resistance
300m
300m
MSRP
$2,500
n/a
Movement
Sellita SW220-1
Sellita SW200-1
Case
5 specsCrystal & Dial
3 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners praise the Marathon Arctic OSAR 46mm Automatic for its overbuilt toughness and industrial, instrument-like aesthetic, with some preferring the Arctic dial for legibility. One owner notes the MaraGlo luminous paint is likened to sliced eggs. The watch features a Swiss automatic movement and 300M ISO-rated water resistance. Some owners question its rising price and luxury positioning, with one noting poor lume and movement performance. Overall, owners rate the Marathon Arctic OSAR 46mm Automatic highly for its rugged, tool-watch build and legibility.
Owners widely praise the Damasko DSub50's "bulletproof" build quality, citing its DAMEST coating and robust crown system with lubricated cells and double O-rings for underwater use. The hardened case is noted to be in near-perfect condition, and the bezel action is described as superior. One owner reports a small scuff on the outer anti-reflective coating of the crystal. On balance, owners rate the Damasko DSub50 highly for its exceptional durability and dive-ready features.
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