Side by side

CWC E9 Quartz Diver WatchvsSeiko Astron

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

E9 Quartz Diver Watch
CWCE9 Quartz Diver Watch
MSRP $749
Astron
SeikoAstron
MSRP $2,500
What people say

Owners + reviewers, side by side

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

CWC E9 Quartz Diver Watch

The CWC E9 Quartz Diver Watch is praised for its historical significance, unique Jolly Roger dial, and military-spec build. Owners report it is thin, small, very legible, and has a satisfyingly easy-to-wind crown, with some noting its accuracy and clean lume application. However, the luminous paint on the Jolly Roger is described as low glow, and one owner reported their T20 model had an inaccurate quartz movement and a soft acrylic crystal that scratches easily. Some find the Jolly Roger design "out there," while others like its unique aesthetic. Some feel it is overpriced for its components, particularly the standard Ronda movement. Overall, owners rate the CWC E9 Quartz Diver Watch highly for its unique aesthetic and military-inspired build.

Seiko Astron

Owners widely praise the Seiko Astron for its spectacular technology, solar-powered quartz movement, and GPS time synchronization, making it a convenient grab-and-go option. The watch is frequently noted for its comfortable and lightweight titanium build, with some models featuring well-finished cases and robust ceramic bezels. Reviewers and owners alike highlight the dial's dynamic and shiny appearance, with textured hour markers and high-contrast edges. Accuracy is generally considered good, with figures ranging from +/- 15 seconds per month to within 1/2 second per day, easily corrected by GPS signal. However, some owners note that DST requires manual adjustment and that automatic time syncing depends on proximity to radio wave towers. The price point is a concern for some, who feel it competes with luxury watches without the same aesthetic appeal. One owner pointed out minimal lume and a slight misalignment of the minute hand on their model.

At a glance

13 of 29 specs differ
Diameter
E9 Quartz Diver Watch41mm
Astron42mm
Power Reserve
E9 Quartz Diver Watch40h
Astron40h
Water Resistance
E9 Quartz Diver Watch300m
Astron100m
MSRP
E9 Quartz Diver Watch$749
Astron$2,500

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
41mm
42mm
Thickness
12mm
12.4mm
Lug-to-Lug
47mm
49.5mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Super-clear coating
Dial Color
CWC E9 Quartz Diver Watch (E9 QS120)
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
5X83
Jewels
25
14

Pricing

1 specs
MSRP
$749
$2,500
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