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.

CWC Automatic Divers Watch Mk.2 Black with Date at true scale

Automatic Divers Watch Mk.2 Black with Date

Seiko Prospex Sea at true scale

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 specs
Diameter
41mm
43.8mm
Thickness
n/a
12.8mm
Lug-to-Lug
47mm
48.7mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
CWC Automatic Divers Watch Mk.2 Black with Date (SF300 AS120-D)
n/a
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW200-1
Seiko 4R35
Power Reserve
0h
41h
Jewels
0
23

Pricing

1 specs
MSRP
$1,249
$625
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

CWC Automatic Divers Watch Mk.2 Black with Date

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.

Seiko Prospex Sea

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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