CWC Arctic Radar Automatic DivervsSeiko Prospex Sea
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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

Prospex Sea
Diameter
41mm
43.8mm
Lug-to-Lug
47mm
lowest
48.7mm
Thickness
n/a
12.8mm
Water Resistance
300m
highest
200m
Power Reserve
n/a
41h
MSRP
$1,333
$625
lowest
Movement
Sellita SW200-1
Seiko 4R35
Case
5 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the CWC Arctic Radar Automatic Diver Watch for its timeless design and reliable, "grab and go" nature. However, the community is split on its value proposition, with some finding the pricing steep given the Sellita SW200-1 movement, while others consider it a good value compared to more expensive alternatives. Fixed spring bars are noted as a point of criticism. On balance, owners rate the CWC Arctic Radar Automatic Diver Watch highly for its proven formula and beloved case design, despite mixed opinions on its price.
The Seiko Prospex Sea is widely praised for its excellent value as a sport watch, with owners highlighting its comfortable wearability and generous lume. Reviewers note its solid build quality and attractive design, with some specifically mentioning the matte black dial as a strong point. One owner reports accuracy around +1 to +2 seconds per day. The 43.8mm case size is considered substantial by some, and one owner found the watch heavy and thick, regretting not choosing a different variant. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its blend of classic design and modern utility at an accessible price point.
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