Side by side

Fortis Marinemaster M-44 DLCvsSeiko Prospex Land Mechanical 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
Prospex Land Mechanical GMT
SeikoProspex Land Mechanical GMT
MSRP $1,150

At a glance

14 of 29 specs differ
Diameter
Marinemaster M-44 DLC44mm
Prospex Land Mechanical GMT39.5mm
Power Reserve
Marinemaster M-44 DLC38h
Prospex Land Mechanical GMT72h
Water Resistance
Marinemaster M-44 DLC300m
Prospex Land Mechanical GMT200m
MSRP
Marinemaster M-44 DLC$5,450
Prospex Land Mechanical GMT$1,150

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
44mm
39.5mm
Thickness
14mm
13.6mm
Lug-to-Lug
46.4mm
Lug Width
22mm
20mm
Material
Stainless Steel (DLC)
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW220-1
6R54
Power Reserve
38h
72h
Jewels
26
24

Pricing

1 specs
MSRP
$5,450
$1,150

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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.

Seiko Prospex Land Mechanical GMT

Owners widely praise the Seiko Prospex Land Mechanical GMT for its faithful reconstruction of a classic design, comfortable bracelet, and attractive gray dial with a bubbly crystal. Reviewers highlight its handsome everyday sports watch appeal, solid specifications, and classic Seiko diver aesthetics, offering great value. However, community members are divided on the 6R movement's accuracy, with some reporting significant deviations even after regulation, while others find it competitive for the price. A point of contention is the GMT function, with some wishing for a "flyer" style local jump GMT instead of the "caller" type, and the internal compass bezel is described as finicky and difficult to read. Owners generally consider the Seiko Prospex Land Mechanical GMT overpriced at its retail price, suggesting better value is found on sale or closer to $700.

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