Side by side

Fortis Marinemaster M-44 DLCvsFormex Reef 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
Reef GMT
FormexReef GMT
MSRP $2,235

At a glance

10 of 29 specs differ
Diameter
Marinemaster M-44 DLC44mm
Reef GMT42mm
Power Reserve
Marinemaster M-44 DLC38h
Reef GMT56h
Water Resistance
Marinemaster M-44 DLC300m
Reef GMT300m
MSRP
Marinemaster M-44 DLC$5,450
Reef GMT$2,235

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
44mm
42mm
Thickness
14mm
11.4mm
Lug-to-Lug
47mm
Material
Stainless Steel (DLC)
Stainless Steel

Crystal & Dial

1 specs
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
Sellita SW220-1
Sellita SW330-2
Power Reserve
38h
56h
Jewels
26
25

Pricing

1 specs
MSRP
$5,450
$2,235

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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.

Formex Reef GMT

The Formex Reef GMT is widely praised for its unique porthole case shape, COSC-certified Sellita SW330-2 movement with good finishing, and comfortable quick-release bracelet with on-the-fly micro-adjustment. Reviewers note its robust construction, impressive specifications, and strong value proposition, with a slim 11.4mm profile accommodating 300m water resistance and an exhibition caseback. However, owners widely report the 53mm lug-to-lug span with male endlinks makes it too large for smaller wrists. Some find the bezel action stiff and potentially slippery, and a reviewer desired sharper finishing and edges, deeming the aesthetic too modernist. The GMT variant sacrifices a timing bezel unless swapped, and one owner notes sharp edges on the crown and crown guard. Overall, owners and reviewers highly rate the Formex Reef GMT for its exceptional value and well-executed features, particularly its bracelet system and COSC-certified movement.

From video reviewers

The watch features a COSC-certified SW330-2 GMT movement, which is visible through a sapphire crystal display case back and beautifully decorated. The watch's water-resistance of up to 300m/1000ft is a notable feature. The 42mm diameter may be too large for smaller wrists.

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