Side by side

Fortis Marinemaster M-44vsTissot Seastar 1000 Powermatic 80 GMT

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

Marinemaster M-44
FortisMarinemaster M-44
MSRP $5,120
Seastar 1000 Powermatic 80 GMT
TissotSeastar 1000 Powermatic 80 GMT
MSRP $1,375

At a glance

13 of 29 specs differ
Diameter
Marinemaster M-4444mm
Seastar 1000 Powermatic 80 GMT46mm
Power Reserve
Marinemaster M-4438h
Seastar 1000 Powermatic 80 GMT80h
Water Resistance
Marinemaster M-44300m
Seastar 1000 Powermatic 80 GMT300m
MSRP
Marinemaster M-44$5,120
Seastar 1000 Powermatic 80 GMT$1,375

Full specifications

Case

4 specs
Category
Diver
GMT
Diameter
44mm
46mm
Thickness
14mm
15.4mm
Lug-to-Lug
46mm

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
Orange
Black
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

3 specs
Caliber
Sellita SW220-1
Powermatic 80
Power Reserve
38h
80h
Jewels
26
25

Pricing

1 specs
MSRP
$5,120
$1,375

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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

The Fortis Marinemaster M-44 is praised for its excellent build quality and wearability, featuring a highly legible dial and a COSC-certified Kenissi-based movement that ran at 0 seconds per day. Owners appreciate its 70-hour power reserve and the inclusion of multiple straps and a deployant buckle, noting its gorgeous appearance and great wrist presence. A minor point raised is the 21mm lug width, with a wish for it to be 22mm. The Fortis Marinemaster M-44 is priced at $4,150. Overall, owners and reviewers rate the Fortis Marinemaster M-44 highly for its robust specifications and comfortable wearability at its price point.

Tissot Seastar 1000 Powermatic 80 GMT

Owners widely praise the Tissot Seastar 1000 Powermatic 80 GMT for its excellent build quality, smooth winding feel, and the reliable Powermatic 80 movement providing an 80-hour power reserve. Reviewers highlight its remarkable value under $700, comfortable wearability, and appealing case/dial ratio. Some owners note the bezel's functionality for tracking a second time zone and the need to adjust the hour hand for date setting, a characteristic of its "True" GMT function. The rubber strap is considered comparable to those found on significantly more expensive watches. However, concerns exist regarding the movement's serviceability due to potential plastic components and reliance on Swatch Group service centers. Some find the bezel font and dial spacing unappealing, while others question the mineral glass bezel insert as a cost-cutting measure compared to ceramic. Accuracy is generally reported as good, though not COSC certified, and lume intensity is described as average by one owner.

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