Side by side

Christopher Ward C63 Sealander Extreme GMTvsFortis Marinemaster M-44 DLC

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
Marinemaster M-44 DLC
FortisMarinemaster M-44 DLC
MSRP $5,450

At a glance

15 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Marinemaster M-44 DLC44mm
Power Reserve
C63 Sealander Extreme GMT56h
Marinemaster M-44 DLC38h
Water Resistance
C63 Sealander Extreme GMT150m
Marinemaster M-44 DLC300m
MSRP
C63 Sealander Extreme GMT$1,850
Marinemaster M-44 DLC$5,450

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
48mm
44mm
Thickness
12.05mm
14mm
Lug-to-Lug
48mm
Material
Stainless Steel
Stainless Steel (DLC)
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
300m

Crystal & Dial

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

Movement

5 specs
Caliber
SW330
Sellita SW220-1
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
38h
Jewels
25
26
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$5,450

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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 Marinemaster M-44 DLC

The Fortis Marinemaster M-44 DLC is widely praised for its robust COSC-certified Kenissi Werk 11 movement, offering a 70-hour power reserve, and its stealthy, scratch-resistant Dianoir DLC coating. Owners find it comfortable to wear despite its 44mm size, with one owner considering it a standout piece. Some reviewers note a subtle difference in the color tone of the DLC coating on the crown and bezel lock between variants. Overall, owners and reviewers regard the Fortis Marinemaster M-44 DLC highly for its durable construction and reliable, high-spec movement.

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