Side by side

CWC G40 Sonar Quartz WatchvsHelgray Silverstone (Refurbished)

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

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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.

Helgray Silverstone (Refurbished)

Owners widely praise the Helgray Silverstone (Refurbished) for its crisp printing, applied indices, legible date wheel, and solid pushers, noting an amazing fit and finish for the price and an attractive aesthetic. Some owners find the metal bracelet squeaks, and the 24-hour subdial is less desirable than sub seconds. One owner criticizes the thick case, downward-angled lugs that can dig into the wrist, and a crystal with noticeable edge effects. Overall, owners rate the Helgray Silverstone (Refurbished) highly for its impressive build quality and aesthetic appeal at its price point.

At a glance

9 of 29 specs differ
Diameter
G40 Sonar Quartz Watch40mm
Silverstone (Refurbished)40mm
Power Reserve
G40 Sonar Quartz Watch
Silverstone (Refurbished)
Water Resistance
G40 Sonar Quartz Watch200m
Silverstone (Refurbished)50m
MSRP
G40 Sonar Quartz Watch$333
Silverstone (Refurbished)$150

Full specifications

Case

4 specs
Category
Field
Chronograph
Thickness
46mm
11.5mm
Lug-to-Lug
12mm
47mm
Water Resistance
200m
50m

Crystal & Dial

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

Movement

1 specs
Caliber
Seiko VK64

Pricing

1 specs
MSRP
$333
$150
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