Side by side

Fortis Marinemaster M-44 DLCvsMaen Grand Tonneau Ultra Thin

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
Grand Tonneau Ultra Thin
MaenGrand Tonneau Ultra Thin
MSRP $1,519

At a glance

11 of 29 specs differ
Diameter
Marinemaster M-44 DLC44mm
Grand Tonneau Ultra Thin34mm
Power Reserve
Marinemaster M-44 DLC38h
Grand Tonneau Ultra Thin40h
Water Resistance
Marinemaster M-44 DLC300m
Grand Tonneau Ultra Thin50m
MSRP
Marinemaster M-44 DLC$5,450
Grand Tonneau Ultra Thin$1,519

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
44mm
34mm
Thickness
14mm
6.4mm
Lug Width
22mm
Material
Stainless Steel (DLC)
316L Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

1 specs
Dial Color
Black
MNL.04

Movement

3 specs
Caliber
Sellita SW220-1
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$5,450
$1,519

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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.

Maen Grand Tonneau Ultra Thin

Owners widely report the Maen Grand Tonneau Ultra Thin features a La Joux-Perret D101 manual-wind movement and a double-layer enamel dial. Some owners criticize the bracelet design and find the dial too small and lacking indices. One owner describes the Maen Grand Tonneau Ultra Thin as "hideous with a good movement." On balance, owners are divided on the Maen Grand Tonneau Ultra Thin, with some appreciating its movement and dial while others find its design unappealing.

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