Side by side

CWC G40 Sonar Quartz WatchvsIslander Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291

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
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291
IslanderIslander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291
MSRP $499

At a glance

15 of 29 specs differ
Diameter
G40 Sonar Quartz Watch40mm
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-29137mm
Power Reserve
G40 Sonar Quartz Watch40h
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291
Water Resistance
G40 Sonar Quartz Watch200m
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291200m
MSRP
G40 Sonar Quartz Watch$333
Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291$499

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
40mm
37mm
Thickness
12mm
11.7mm
Lug-to-Lug
46mm
0mm
Finish
Brushed and polished
Caseback
Solid
Screw-down

Crystal & Dial

4 specs
AR Coating
Yes
Underside
Dial Color
CWC G40 Sonar Quartz Watch
Indices
Applied
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
Miyota 90S5
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$333
$499

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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.

Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291

The Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291 is widely praised for its looks, build quality, and impressive specifications, including a high-beat Miyota 9015 movement with hacking and hand-winding, sapphire crystal, and 200m water resistance. Owners consider it excellent value, citing the finishing and comfortable fit. One owner notes the bright lume is fleeting. The watch is powered by a Miyota 9015 movement with a 40-hour power reserve. Overall, owners and reviewers rate the Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291 highly for its exceptional value and robust specifications at its price point.

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