Side by side

Christopher Ward C63 Sealander Extreme GMTvsCWC G40 Sonar Quartz Watch

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

C63 Sealander Extreme GMT
Christopher WardC63 Sealander Extreme GMT
MSRP $2,075
G40 Sonar Quartz Watch
CWCG40 Sonar Quartz Watch
MSRP $333

At a glance

13 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
G40 Sonar Quartz Watch40mm
Power Reserve
C63 Sealander Extreme GMT56h
G40 Sonar Quartz Watch40h
Water Resistance
C63 Sealander Extreme GMT150m
G40 Sonar Quartz Watch200m
MSRP
C63 Sealander Extreme GMT$2,075
G40 Sonar Quartz Watch$333

Full specifications

Case

5 specs
Category
GMT
Field
Thickness
12.05mm
12mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
20mm
Water Resistance
150m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
CWC G40 Sonar Quartz Watch
Lume
SLN X1 BL / GL
Super-LumiNova

Movement

4 specs
Caliber
SW330-2
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$333

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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.

Christopher Ward C63 Sealander Extreme GMT

The Christopher Ward C63 Sealander Extreme GMT is widely praised as a competent and comfortable tool watch offering excellent value. Reviewers consistently highlight its impressive Globolight lume, providing excellent legibility, and its well-proportioned 41mm brushed steel case. The Sellita SW330-2 movement is noted as reliable, though its standard accuracy is stated as ±20 seconds per day, and its GMT functionality is considered less advanced than some alternatives. One owner notes the green dial can be an acquired taste, and hands and markers are considered less refined than those on significantly more expensive watches. The Christopher Ward C63 Sealander Extreme GMT is priced attractively at €1,895 on bracelet. Overall, owners and reviewers highly regard the Christopher Ward C63 Sealander Extreme GMT for its rugged, travel-ready design and impressive lume at its price point.

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.

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