CWC Arctic Radar Automatic DivervsHalios Seaforth IV
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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 Radar Automatic Diver

Seaforth IV
Diameter
41mm
40mm
Lug-to-Lug
47mm
46.5mm
lowest
Thickness
11.4mm
lowest
12.4mm
Water Resistance
300m
highest
200m
MSRP
$2,031
$765
lowest
Movement
Sellita SW200-1
Sellita SW200-1
Case
5 specsCrystal & Dial
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
Owners widely praise the Halios Seaforth IV's wearability on smaller wrists, citing its manageable 40mm case and 47mm lug-to-lug distance. Admiration is frequently directed towards the sunburst blue dial and the well-executed lume on the sapphire bezel. Some owners find the steel bracelet bland on stainless steel variants, and a few express a desire for white dials or larger case sizes. One owner notes the sapphire bezel is flat and taller than preferred. On balance, owners rate the Halios Seaforth IV highly for its accessible size and quality finishing at its price point.
The sunburst blue dial is a standout feature. Limited water resistance is a shared concern.
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