Side by side

CWC G40 Sonar Quartz WatchvsLum-Tec Solar Marine

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
Solar Marine
Lum-TecSolar Marine
MSRP $463

At a glance

10 of 29 specs differ
Diameter
G40 Sonar Quartz Watch40mm
Solar Marine39mm
Power Reserve
G40 Sonar Quartz Watch40h
Solar Marine40h
Water Resistance
G40 Sonar Quartz Watch200m
Solar Marine300m
MSRP
G40 Sonar Quartz Watch$333
Solar Marine$463

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
40mm
39mm
Thickness
12mm
10.7mm
Lug-to-Lug
46mm
43.5mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)
Water Resistance
200m
300m

Crystal & Dial

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

Pricing

1 specs
MSRP
$333
$463

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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.

Lum-Tec Solar Marine

Lum-Tec Solar Marine owners praise its all-black diver design, excellent lume, and rugged, tank-like build. One owner finds it a perfect fit for a 7-inch wrist and the most frequently worn watch despite its smaller size. However, one owner cautions that the PVD coating will wear and chip within a year, impacting its appearance, and another finds the price high for a solar quartz watch with added lume. On balance, owners rate the Lum-Tec Solar Marine highly for its robust design and excellent lume, despite concerns about PVD durability and value proposition.

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