CWC E9 Automatic Diver WatchvsSeiko 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 E9 Automatic Diver Watch at true scale

E9 Automatic Diver Watch

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

$1,391

$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 E9 Automatic Diver Watch (SF300-E9 AS120)
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
$1,391
$625
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Reviews

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

CWC E9 Automatic Diver Watch

Owners widely praise the CWC E9 Automatic Diver Watch for its military-spec toughness and satisfyingly easy-to-wind crown, with one owner calling it a perfect reissue. The watch is noted for its legibility and significant wrist presence, enhanced by its unique "Jolly Roger" dial design. Some critics find the CWC E9 Automatic Diver Watch overpriced for its mineral crystal and 60-click bezel, and its luminous paint is noted as low glow. Overall, owners rate the CWC E9 Automatic Diver Watch highly for its military heritage and durability as a beater watch.

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.