Marathon Arctic OSAR 41mm AutomaticvsZelos Swordfish 3
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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

Swordfish 3
Diameter
41mm
40mm
Lug-to-Lug
43.5mm
n/a
Thickness
13mm
12mm
lowest
Water Resistance
300m
highest
200m
MSRP
$1,800
$399
lowest
Movement
Sellita SW220-1
Seiko NH35
Case
5 specsCrystal & Dial
1 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 and reviewers widely praise the Zelos Swordfish 3 for its exceptional value, with many highlighting the textured sandwich dial and the surprisingly good bracelet. The watch's 40mm case dimensions are considered fine for wearability, and its titanium construction contributes to a compact and comfortable feel. Some owners appreciate the unique appeal of specific dials, such as the teal or yellow Timascus variants. One reviewer noted sharp bracelet edges and legibility issues in bright light on a specific variant. Overall, owners and reviewers rate the Zelos Swordfish 3 highly for its strong value proposition and fun design elements at its price point.
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