Side by side

CWC G40 Sonar Quartz WatchvsRedux Zero-Hour

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

G40 Sonar Quartz Watch
CWCG40 Sonar Quartz Watch
MSRP $333
Zero-Hour
ReduxZero-Hour

At a glance

11 of 29 specs differ
Diameter
G40 Sonar Quartz Watch40mm
Zero-Hour39mm
Power Reserve
G40 Sonar Quartz Watch40h
Zero-Hour41h
Water Resistance
G40 Sonar Quartz Watch200m
Zero-Hour200m
MSRP
G40 Sonar Quartz Watch$333
Zero-Hour

Full specifications

Case

5 specs
Category
Field
Diameter
40mm
39mm
Thickness
12mm
13.7mm
Lug-to-Lug
46mm
46.6mm
Material
Stainless Steel
Titanium

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
CWC G40 Sonar Quartz Watch
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Seiko NH35
Power Reserve
40h
41h

Pricing

1 specs
MSRP
$333

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What people say

Owners + reviewers, side by side

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

CWC G40 Sonar Quartz Watch

Owners widely appreciate the CWC G40 Sonar Quartz Watch for its classic G10 design, 40mm case size, and 20atm water resistance, noting its light, rugged, and reliable "grab-n-go" nature. Some find the dial proportions have too much negative space, while others praise its unique anodized red crown and quality NATO straps. A larger crown can dig into the wrist, and the lack of a battery hatch is a trade-off for its 100m water resistance. On balance, owners value the CWC G40 Sonar Quartz Watch for its robust build and classic aesthetic, though its price point and competition are frequently cited concerns.

Redux Zero-Hour

Owners widely praise the Redux Courg Type 39MM for its robust, no-nonsense design and good overall quality, with a reliable Seiko NH53A movement keeping time well. The titanium case and crystal have shown scratch resistance, and the bezel action is described as tight by some. Reviewers note the proprietary RDXB1 or blue lume glows brilliantly, though briefly. Some owners flag the crown stem as flimsy and the unidirectional bezel as having some play. Overall, owners rate the Redux Courg Type 39MM highly for its functional tool-watch design and durable titanium construction.

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