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CWC G40 Sonar Quartz WatchvsSpinnaker Piccard

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.

Spinnaker Piccard

Owners widely praise the Spinnaker Piccard for its comfortable wear, excellent readability, and bold, vintage-inspired design that redefines dive watch aesthetics. However, some owners view the Spinnaker Piccard as a specialty novelty watch, describing it as huge and heavy with a large crystal that hinders legibility, making it an acquired taste. On balance, owners find the Spinnaker Piccard to be a unique dive watch with a distinctive design, though its substantial size and crystal may not suit all wearers.

At a glance

13 of 29 specs differ
Diameter
G40 Sonar Quartz Watch40mm
Piccard45mm
Power Reserve
G40 Sonar Quartz Watch
Piccard
Water Resistance
G40 Sonar Quartz Watch200m
Piccard550m
MSRP
G40 Sonar Quartz Watch$333
Piccard$550

Full specifications

Case

7 specs
Category
Field
Diver
Diameter
40mm
45mm
Thickness
46mm
21mm
Lug-to-Lug
12mm
52mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
550m

Crystal & Dial

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

Movement

2 specs
Caliber
Seiko NH35
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$333
$550
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