Side by side

CWC G40 Sonar Quartz WatchvsLongines LONGINES SECTOR DIAL

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
LONGINES SECTOR DIAL
LonginesLONGINES SECTOR DIAL
MSRP $2,750

At a glance

11 of 29 specs differ
Diameter
G40 Sonar Quartz Watch40mm
LONGINES SECTOR DIAL38.5mm
Power Reserve
G40 Sonar Quartz Watch40h
LONGINES SECTOR DIAL40h
Water Resistance
G40 Sonar Quartz Watch200m
LONGINES SECTOR DIAL30m
MSRP
G40 Sonar Quartz Watch$333
LONGINES SECTOR DIAL$2,750

Full specifications

Case

6 specs
Category
Field
Diameter
40mm
38.5mm
Thickness
12mm
11mm
Lug-to-Lug
46mm
47.6mm
Lug Width
20mm
19mm
Water Resistance
200m
30m

Crystal & Dial

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

Movement

1 specs
Caliber
L893.5

Pricing

1 specs
MSRP
$333
$2,750

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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.

LONGINES SECTOR DIAL

The Longines Sector Dial wins broad praise for its faithful 1934-inspired sector dial design and exceptional readability, paired with a well-proportioned 38.5mm case that appeals to fans of vintage proportions. Owners consistently highlight the dial's visual presence in sunlight and strong value relative to Longines' current positioning, while reviewers commend the modern L893 movement with silicon hairspring and clean finishing. The 47mm lug-to-lug length and 19mm lug width draw mixed reactions — some find the lugs elongated for the case size, and one owner views the strap width as undersizing the case proportionally; others note the small seconds subdial bisects the 6, and the polished caseback invites scratches. The 30-meter water resistance is flagged as modest for daily wear.

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