CWC Automatic Divers Watch Mk.2 Black with DatevsSeiko 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.

Automatic Divers Watch Mk.2 Black with Date

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
$1,249
$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 Automatic Divers Watch Mk.2 Black with Date for its brushed chapter ring, precise 120-click bezel, scratch-resistant sapphire crystal, excellent case finishing, and improved lume. Reviewers highlight its classic, highly legible dial design and durable black PVD coating. Some users note a price increase over previous models, and the day/date function is considered by some to be a "vexing" addition. The watch is recognized for its historical significance as a military instrument. Overall, owners and reviewers highly regard the CWC Automatic Divers Watch Mk.2 Black with Date for its robust build, legibility, and military heritage.
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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