Side by side

CWC E9 Quartz Diver WatchvsSeiko Prospex SPEEDTIMER

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
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $2,200
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 Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER for its unique dial colors and vintage-inspired design, with many appreciating its compact 39mm case size and 100m or 200m water resistance. Reviewers and owners note the V192 solar movement’s power reserve indicator and its reliability, though some owners express a preference for automatic movements. One owner finds the $700 price for a solar quartz model expensive, while another criticizes the €860 price point and desires a thinner case and a bracelet with quick-release or micro-adjustment. On balance, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its distinctive aesthetic and versatile wearability, despite some reservations about its price and case thickness.

At a glance

12 of 29 specs differ
Diameter
E9 Quartz Diver Watch41mm
Prospex SPEEDTIMER42mm
Power Reserve
E9 Quartz Diver Watch40h
Prospex SPEEDTIMER40h
Water Resistance
E9 Quartz Diver Watch300m
Prospex SPEEDTIMER100m
MSRP
E9 Quartz Diver Watch$749
Prospex SPEEDTIMER$2,200

Full specifications

Case

5 specs
Category
Diver
Chronograph
Diameter
41mm
42mm
Thickness
12mm
12.9mm
Lug-to-Lug
47mm
49.6mm
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
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
$2,200
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