Side by side

CWC G40 Sonar Quartz WatchvsHamilton Jazzmaster Thinline Small Second Quartz

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

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.

Hamilton Jazzmaster Thinline Small Second Quartz

Owners widely praise the Hamilton Jazzmaster Thinline Small Second Quartz for its excellent value around $300, thin profile at 7mm to 8.4mm, and clean dial design with superb applied hour numerals and dauphine hands. One owner finds its champagne dial particularly upscale. However, the lume is considered terrible, barely lasting a few minutes, and the crown is noted as very small and difficult to manipulate. On balance, owners rate the Hamilton Jazzmaster Thinline Small Second Quartz highly for its thinness and clean dial design at the price.

At a glance

9 of 29 specs differ
Diameter
G40 Sonar Quartz Watch40mm
Jazzmaster Thinline Small Second Quartz40mm
Power Reserve
G40 Sonar Quartz Watch
Jazzmaster Thinline Small Second Quartz
Water Resistance
G40 Sonar Quartz Watch200m
Jazzmaster Thinline Small Second Quartz50m
MSRP
G40 Sonar Quartz Watch$333
Jazzmaster Thinline Small Second Quartz$745

Full specifications

Case

4 specs
Category
Field
Dress
Thickness
46mm
7.35mm
Lug-to-Lug
0mm
Water Resistance
200m
50m

Crystal & Dial

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

Movement

1 specs
Caliber
980.163

Pricing

1 specs
MSRP
$333
$745
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