Side by side

Christopher Ward C63 Sealander Extreme GMTvsFortis Flieger F-39

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
Flieger F-39
FortisFlieger F-39
MSRP $2,530

At a glance

13 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
Flieger F-3939mm
Power Reserve
C63 Sealander Extreme GMT56h
Flieger F-3938h
Water Resistance
C63 Sealander Extreme GMT150m
Flieger F-39200m
MSRP
C63 Sealander Extreme GMT$2,075
Flieger F-39$2,530

Full specifications

Case

6 specs
Category
GMT
Pilot
Diameter
40mm
39mm
Thickness
12.05mm
11.5mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
20mm
Water Resistance
150m
200m

Crystal & Dial

1 specs
Lume
SLN X1 BL / GL
None

Movement

5 specs
Caliber
SW330-2
Sellita SW200-1
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
38h
Jewels
25
26
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$2,530

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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.

Fortis Flieger F-39

Owners and reviewers widely praise the Fortis Flieger F-39 for its robust build quality, excellent finishing often compared favorably to more expensive watches, and legible utilitarian dial with distinctive color accents. The watch is noted for its precise bidirectional bezel action, excellent lume, and comfortable wearability, with one owner reporting accuracy of 1 second fast per day. Some reviewers flag the 39mm case as wearing large due to its lug-to-lug distance, and the 38-hour power reserve of the Sellita SW 200-1 based UW-30 movement is cited as a limitation, though newer versions feature a 70-hour power reserve. Overall, owners and reviewers highly regard the Fortis Flieger F-39 for its tool watch aesthetic and impressive machining and build quality at its price point.

From video reviewers

The 200m water resistance is a notable strength. Reviewers did not reach a consensus on any weaknesses.

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