CWC E9 Automatic DivervsSeiko Prospex Marinemaster 1965 Diver’s Modern Re-interpretation

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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 at true scale

E9 Automatic Diver

Seiko Prospex Marinemaster 1965 Diver’s Modern Re-interpretation at true scale

Prospex Marinemaster 1965 Diver’s Modern Re-interpretation

Diameter

41mm

39.5mm

Lug-to-Lug

47mm

lowest

47.2mm

Thickness

n/a

12.3mm

Water Resistance

300m

highest

200m

Power Reserve

n/a

45h

MSRP

$1,391

lowest

$2,800

Movement

Sellita SW200-1

Seiko 6L37

Case

4 specs
Diameter
41mm
39.5mm
Thickness
n/a
12.3mm
Lug-to-Lug
47mm
47.2mm
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal Shape
n/a
Box
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 6L37
Power Reserve
0h
45h
Jewels
0
26

Pricing

1 specs
MSRP
$1,391
$2,800
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Reviews

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

CWC E9 Automatic Diver

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 Marinemaster 1965 Diver’s Modern Re-interpretation

The Seiko Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation is noted for its slim 12.3mm case and 39.5mm diameter, making it a wearable dive watch. The automatic Seiko 6L37 movement is described as having a 45-46 hour power reserve, with one reviewer noting an accuracy of -10/+15 seconds per day. The watch features a box-shaped sapphire crystal and 200 meters of water resistance. However, its price of A$4,650 is considered high for its specifications, and one reviewer questions Seiko's continued reliance on the 62MAS design. On balance, reviewers find the Seiko Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation to be a functional and refined dive watch, though its value proposition is debated due to its price point.

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