Side by side

Christopher Ward C63 Sealander Extreme GMTvsMarathon GPQ (General Purpose Quartz) Field 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
GPQ (General Purpose Quartz) Field Watch
MarathonGPQ (General Purpose Quartz) Field Watch
MSRP $420

At a glance

15 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
GPQ (General Purpose Quartz) Field Watch34mm
Power Reserve
C63 Sealander Extreme GMT56h
GPQ (General Purpose Quartz) Field Watch40h
Water Resistance
C63 Sealander Extreme GMT150m
GPQ (General Purpose Quartz) Field Watch30m
MSRP
C63 Sealander Extreme GMT$2,075
GPQ (General Purpose Quartz) Field Watch$420

Full specifications

Case

7 specs
Category
GMT
Field
Diameter
40mm
34mm
Thickness
12.05mm
11.5mm
Lug-to-Lug
48mm
41mm
Lug Width
22mm
16mm
Material
Stainless Steel
Fibreshell Composite
Water Resistance
150m
30m

Crystal & Dial

2 specs
Crystal
Sapphire
Acrylic
Lume
SLN X1 BL / GL
None

Movement

5 specs
Caliber
SW330-2
Swiss High-Torque Quartz (3J, EOL)
Type
Automatic
Quartz
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$420

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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.

Marathon GPQ (General Purpose Quartz) Field Watch

Owners widely praise the Marathon GPQ (General Purpose Quartz) Field Watch for its rugged quartz movement, accuracy, and tritium lume. Reviewers and owners alike highlight its solid build, legibility, and comfortable, lightweight wear, making it particularly well-suited for smaller wrists. Some owners, however, consider the price point of $350-420 to be somewhat high. On balance, the consensus is that owners rate the Marathon GPQ (General Purpose Quartz) Field Watch highly for its dependable quartz accuracy and excellent tritium lume.

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