CWC Automatic Divers Watch Mk.2 Black with DatevsSeiko King Turtle

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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 King Turtle at true scale

King Turtle

Diameter

41mm

45mm

Lug-to-Lug

47mm

lowest

47.7mm

Thickness

n/a

13.2mm

Water Resistance

300m

highest

200m

Power Reserve

n/a

41h

MSRP

$1,249

$650

lowest

Movement

Sellita SW200-1

Seiko 4R36

Case

5 specs
Diameter
41mm
45mm
Thickness
n/a
13.2mm
Lug-to-Lug
47mm
47.7mm
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 and index(es)

Movement

3 specs
Caliber
Sellita SW200-1
Seiko 4R36
Power Reserve
0h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$1,249
$650
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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 King Turtle

Seiko King Turtle is widely praised for its excellent value and robust design, featuring the reliable 4R36 movement. Owners appreciate its superior lume and a bezel action described as smoother and more precise than some siblings. The 45mm cushion case, while substantial, wears smaller than expected due to its shape and short lug-to-lug distance. On balance, owners and reviewers rate the Seiko King Turtle highly for its proven design and overall value proposition.

From video reviewers

The King Turtle's ceramic bezel and sapphire crystal are significant upgrades. Reviewers noted a slight price increase for these features.