Side by side

Christopher Ward C63 Sealander Extreme GMTvsHamilton Jazzmaster Regulator Cinema

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 $1,850
Jazzmaster Regulator Cinema
HamiltonJazzmaster Regulator Cinema
MSRP $1,475

At a glance

13 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Jazzmaster Regulator Cinema42mm
Power Reserve
C63 Sealander Extreme GMT56h
Jazzmaster Regulator Cinema40h
Water Resistance
C63 Sealander Extreme GMT150m
Jazzmaster Regulator Cinema50m
MSRP
C63 Sealander Extreme GMT$1,850
Jazzmaster Regulator Cinema$1,475

Full specifications

Case

6 specs
Category
GMT
Chronograph
Diameter
48mm
42mm
Thickness
12.05mm
12.83mm
Lug-to-Lug
48mm
46mm
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
50m

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Lume
SLN X1 BL / GL
None

Movement

4 specs
Caliber
SW330
H-12
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$1,475

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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

Owners and reviewers widely praise the Christopher Ward C63 Sealander Extreme GMT for its excellent value, tactical and travel-ready design, and impressive lume, with the black dial being a collective favorite. Its 41mm brushed steel case is noted for comfort and wearability, complemented by a well-proportioned design and excellent legibility. The watch features a Sellita SW330-2 movement with a 56-hour power reserve and 150m water resistance, including a shock-absorbing mount. Some find its refinement slightly less than pricier alternatives, and its GMT movement is considered less practical than a flyer GMT. On balance, the Christopher Ward C63 Sealander Extreme GMT is highly regarded by owners and reviewers for its compelling blend of features, rugged design, and exceptional value.

Hamilton Jazzmaster Regulator Cinema

The Hamilton Jazzmaster is widely praised for its value and refined design, with specific models highlighted for sophisticated skeletonization and minimalist aesthetics. Owners appreciate elegant dial work, such as the "spiky H" logo on the Skeleton or the open-heart design on other variants, and the slim profile of the Thinline Automatic is frequently noted. The Calibre H-10-S movement is recognized for its substantial 80-hour power reserve. However, opinions vary on the practicality of open-heart designs, with some finding them gimmicky or impacting legibility, particularly as wearers age. Accuracy figures reported by owners range from 2-3 seconds fast per day to less precise performance, and repair costs can be a consideration. Overall, owners and reviewers value the Hamilton Jazzmaster for its attractive design and accessible price point, with specific models offering unique aesthetic appeals.

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