Side by side

Christopher Ward C63 Sealander Extreme GMTvsFortis Flieger F-43 Bicompax

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
Flieger F-43 Bicompax
FortisFlieger F-43 Bicompax
MSRP $4,180

At a glance

15 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Flieger F-43 Bicompax43mm
Power Reserve
C63 Sealander Extreme GMT56h
Flieger F-43 Bicompax58h
Water Resistance
C63 Sealander Extreme GMT150m
Flieger F-43 Bicompax200m
MSRP
C63 Sealander Extreme GMT$1,850
Flieger F-43 Bicompax$4,180

Full specifications

Case

6 specs
Category
GMT
Chronograph
Diameter
48mm
43mm
Thickness
12.05mm
14.5mm
Lug-to-Lug
48mm
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
200m

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Black
Original
Lume
SLN X1 BL / GL
None

Movement

5 specs
Caliber
SW330
Sellita SW510 BH a
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
58h
Jewels
25
27
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$4,180

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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.

Fortis Flieger F-43 Bicompax

Owners widely praise the Fortis Original for its tool-watch aesthetic, legibility, and robust construction, with many noting excellent lume that lasts all night and precise day/date changes at midnight. The brushed stainless steel case is well-finished, and the 38mm size is considered comfortable and well-weighted despite being smaller than modern watches. Accuracy figures range from +2 seconds/day to +8 seconds/day, and some owners compare Fortis quality favorably to Omega. However, some users find the MSRP too high compared to brands like Sinn and Damasko, and one owner reported internal parts dislodging from a limited edition model. Concerns have also been raised about stripped lug screws on B-42 models and potential parts shortages due to past bankruptcy protection filings. Overall, owners rate the Fortis Original highly for its durable construction and tool-watch functionality at a competitive price point.

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