Marathon Arctic OSAR 41mm 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 41mm Automatic

DSub50
Diameter
41mm
43mm
Lug-to-Lug
43.5mm
n/a
Thickness
13mm
n/a
Water Resistance
300m
300m
MSRP
$1,800
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 widely praise the Marathon Arctic OSAR 41mm Automatic for its comfortable wearability, with one owner noting it feels lightweight and wears perfectly on a sub-7-inch wrist. The watch is designed for legibility, featuring oversized hour markers as a tool watch. Accuracy observations vary, with one owner reporting a consistent +1 second per day, while another noted -20 seconds per day. The bracelet is described as lacking refinement, with no quick-release or toolless micro-adjustment. On balance, owners and reviewers appreciate the Marathon Arctic OSAR 41mm Automatic for its tool-watch legibility and comfortable wear, though some question its value at the current price point.
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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