Side by side

Fortis Marinemaster M-44 DLCvsTudor Black Bay One 31 S&G

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 One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850

At a glance

13 of 29 specs differ
Diameter
Marinemaster M-44 DLC44mm
Black Bay One 31 S&G31mm
Power Reserve
Marinemaster M-44 DLC38h
Black Bay One 31 S&G50h
Water Resistance
Marinemaster M-44 DLC300m
Black Bay One 31 S&G100m
MSRP
Marinemaster M-44 DLC$5,450
Black Bay One 31 S&G$6,850

Full specifications

Case

9 specs
Category
Diver
Diameter
44mm
31mm
Thickness
14mm
9.5mm
Lug-to-Lug
46mm
Lug Width
22mm
17mm
Material
Stainless Steel (DLC)
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
100m
Caseback
Solid
Solid screw-down

Movement

3 specs
Caliber
Sellita SW220-1
MT5201
Power Reserve
38h
50h
Jewels
26
25

Pricing

1 specs
MSRP
$5,450
$6,850

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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 One 31 S&G

The Tudor Black Bay One 31 S&G is praised for its quiet luxury, combining brushed steel and warm gold accents for understated charm. Owners appreciate the brushed gold for a casual two-tone look and the champagne dial's surprising legibility. Some find the case sides too thick, and one user expressed a desire for a smaller S&G variant. The watch features the MT5612 movement with a 70-hour power reserve and a date function, within a 200-meter water-resistant case. Overall, owners and reviewers highlight the Tudor Black Bay One 31 S&G's balanced two-tone aesthetic as its primary appeal.

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