Side by side

CWC G40 Sonar Quartz WatchvsBoldr Odyssey Bronze

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

The bottom line

The 40mm G40 Sonar Quartz Watch wears 5.5mm narrower than the 45.5mm Odyssey Bronze — that's a meaningful jump on most wrists.

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.

Boldr Odyssey Bronze

The Boldr Odyssey Bronze is widely praised for its robust, ship-like aesthetic and substantial feel, with its meteorite dial and OEM Horween strap highlighted as unique features. Owners feel the style, fit, finish, and specifications compensate for criticisms regarding the movements used at its price point. On balance, owners rate the Boldr Odyssey Bronze highly for its distinctive aesthetic and quality finishing.

From video reviewers

The 500m water resistance and Lumicast lume are standout features. The 45mm+ case size is a drawback for some wrists.

Where to get them

Check prices & track

CWC G40 Sonar Quartz Watch
CWC G40 Sonar Quartz Watch
MSRP $333
Boldr Odyssey Bronze
Boldr Odyssey Bronze
MSRP $649
G40 Sonar Quartz Watch
CWCG40 Sonar Quartz Watch
MSRP $333
Odyssey Bronze
BoldrOdyssey Bronze
MSRP $649

At a glance

10 of 29 specs differ
Diameter
G40 Sonar Quartz Watch40mm
Odyssey Bronze45.5mm
Power Reserve
G40 Sonar Quartz Watch40h
Odyssey Bronze40h
Water Resistance
G40 Sonar Quartz Watch200m
Odyssey Bronze500m
MSRP
G40 Sonar Quartz Watch$333
Odyssey Bronze$649

Full specifications

Case

7 specs
Category
Field
Diver
Diameter
40mm
45.5mm
Thickness
12mm
16.8mm
Lug-to-Lug
46mm
52mm
Lug Width
20mm
22mm
Material
Stainless Steel
Bronze
Water Resistance
200m
500m

Crystal & Dial

1 specs
Dial Color
CWC G40 Sonar Quartz Watch
Auburn

Movement

1 specs
Caliber
Seiko NH35

Pricing

1 specs
MSRP
$333
$649

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