Side by side

Fortis Marinemaster M-44 DLCvsTudor Black Bay GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Marinemaster M-44 DLC
FortisMarinemaster M-44 DLC
MSRP $5,450
Black Bay GMT
TudorBlack Bay GMT
MSRP $5,275

At a glance

19 of 29 specs differ
Diameter
Marinemaster M-44 DLC44mm
Black Bay GMT41mm
Power Reserve
Marinemaster M-44 DLC38h
Black Bay GMT70h
Water Resistance
Marinemaster M-44 DLC300m
Black Bay GMT200m
MSRP
Marinemaster M-44 DLC$5,450
Black Bay GMT$5,275

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
44mm
41mm
Thickness
14mm
14.6mm
Lug-to-Lug
46mm
Material
Stainless Steel (DLC)
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Inner
Indices
Applied

Movement

7 specs
Caliber
Sellita SW220-1
MT5652
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
70h
Jewels
26
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
GMT

Pricing

1 specs
MSRP
$5,450
$5,275

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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.

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.

Tudor Black Bay GMT

The Tudor Black Bay GMT is widely praised for its in-house movement offering local jumping GMT functionality, its impressive case finishing, and its vintage-inspired, drop-dead good looks. Reviewers highlight its strong value and consider it a quintessential sport watch for travelers. Some enthusiasts find its 15mm thickness divisive, though beveled edges visually reduce its perceived size. Overall, reviewers rate the Tudor Black Bay GMT highly for its excellent design and travel functionality at its price point.

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