Side by side

Christopher Ward C63 Sealander Extreme GMTvsHamilton Jazzmaster Slim Auto

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
Jazzmaster Slim Auto
HamiltonJazzmaster Slim Auto
MSRP $825

At a glance

10 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
Jazzmaster Slim Auto40mm
Power Reserve
C63 Sealander Extreme GMT56h
Jazzmaster Slim Auto50h
Water Resistance
C63 Sealander Extreme GMT150m
Jazzmaster Slim Auto30m
MSRP
C63 Sealander Extreme GMT$2,075
Jazzmaster Slim Auto$825

Full specifications

Case

4 specs
Category
GMT
Dress
Thickness
12.05mm
8.35mm
Lug-to-Lug
48mm
46mm
Water Resistance
150m
30m

Crystal & Dial

1 specs
Lume
SLN X1 BL / GL
None

Movement

4 specs
Caliber
SW330-2
No caliber
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
50h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$825

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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.

Hamilton Jazzmaster Slim Auto

The Hamilton Jazzmaster Slim Auto is praised for its elegance, light weight, and impressive leather strap, offering a classy yet engaging aesthetic. Its thin 8mm profile, achieved partly by omitting a seconds hand and utilizing the ETA 2892 movement, contributes to its wearability. However, one owner notes the 44mm case size as being very large, and another finds it less appealing than vintage Hamilton models, though the black dial version is considered better looking. Overall, owners appreciate the Hamilton Jazzmaster Slim Auto for its slim profile and elegant design.

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