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Home/Browse/CWC/G40 Sonar Quartz Watch
CWC G40 Sonar Quartz Watch — CWC G40 Sonar Quartz Watch
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CWC G40 Sonar Quartz Watch

FieldMicrobrand

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.

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1 Variant
Lume:Super-LumiNova
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Retail MSRPIn stock
$333
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Alternatives
Case
40mm
Power Reserve
—
Movement
Quartz
Water Resistance
200m
Crystal
Sapphire + AR
01

Case Dimensions

Diameter40mm
Thickness46mm
Lug-to-Lug—
Lug Width20mm
02

Case Build

MaterialStainless Steel
Water Resistance200m
03

Crystal & Dial

CrystalSapphire
AR CoatingYes
Dial ColorCWC G40 Sonar Quartz Watch
LumeSuper-LumiNova
04

Movement

TypeQuartz
Beat Rate—
Power Reserve—
Jewels—
HackingNo
Hand-WindingNo
ComplicationsTime only
05

Design Language

Dial styleMatte
BezelFixed
Bracelet / strapNATO strap
HandsBaton
AI-detected from product image · 5/22/2026

Photos

In a nutshell

The CWC G40 Sonar Quartz Watch is a quartz field watch, with a 40mm stainless steel case, 46mm thick. Water resistance is rated to 200m, under a sapphire crystal. Manufacturer MSRP is $333. The dial color is cwc g40 sonar quartz watch.

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