Side by side

Christopher Ward C63 Sealander Extreme GMTvsHamilton Jazzmaster Gent Quartz

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 Gent Quartz
HamiltonJazzmaster Gent Quartz
MSRP $745

At a glance

13 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
Jazzmaster Gent Quartz40mm
Power Reserve
C63 Sealander Extreme GMT56h
Jazzmaster Gent Quartz40h
Water Resistance
C63 Sealander Extreme GMT150m
Jazzmaster Gent Quartz50m
MSRP
C63 Sealander Extreme GMT$2,075
Jazzmaster Gent Quartz$745

Full specifications

Case

5 specs
Category
GMT
Dress
Thickness
12.05mm
10.2mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
20mm
Water Resistance
150m
50m

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
SLN X1 BL / GL
None

Movement

5 specs
Caliber
SW330-2
F06.111
Type
Automatic
Quartz
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$745

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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 Gent Quartz

Owners widely praise the Hamilton Jazzmaster Gent Quartz for its dressier, unique aesthetic, with specific admiration for the dark, iridescent dial and the machine-work on the minute markers. The 40mm size is considered suitable for smaller wrists, though lug-to-lug measurements are debated. Some owners find the open-heart dial busy and difficult to read due to silver lines resembling hands, and the skeleton version is also noted for excessive branding. The H-20-S movement in the skeleton model is thought to have a 42-hour power reserve. Overall, owners appreciate the Hamilton Jazzmaster Gent Quartz for its distinctive mid-century modern design and detailed finishing.

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