Side by side

Christopher Ward C63 Sealander Extreme GMTvsHamilton Jazzmaster Performer Automatic

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 Performer Automatic
HamiltonJazzmaster Performer Automatic
MSRP $1,245

At a glance

13 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
Jazzmaster Performer Automatic38mm
Power Reserve
C63 Sealander Extreme GMT56h
Jazzmaster Performer Automatic80h
Water Resistance
C63 Sealander Extreme GMT150m
Jazzmaster Performer Automatic100m
MSRP
C63 Sealander Extreme GMT$2,075
Jazzmaster Performer Automatic$1,245

Full specifications

Case

6 specs
Category
GMT
Dress
Diameter
40mm
38mm
Thickness
12.05mm
11.47mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
20mm
Water Resistance
150m
100m

Crystal & Dial

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

Movement

4 specs
Caliber
SW330-2
H-10
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
80h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$1,245

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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 Performer Automatic

Owners widely praise the Hamilton Jazzmaster Performer Automatic for its clean design, comfortable wearability, and impressive 80-hour power reserve, with accuracy averaging just over 2 seconds per day. Some owners note the bezel is non-functional, and one experienced an internal movement failure causing time jumps, though service resolved this. The 34mm variant is considered solid for smaller wrists due to its flatter crystal and reasonable lug-to-lug distance. On balance, owners and reviewers rate the Hamilton Jazzmaster Performer Automatic highly for its blend of style, comfort, and extended power reserve at its price point.

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