Side by side

Fortis Marinemaster M-44vsSeestern S446 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
S446 GMT
SeesternS446 GMT
MSRP $299

At a glance

15 of 29 specs differ
Diameter
Marinemaster M-4444mm
S446 GMT39.5mm
Power Reserve
Marinemaster M-4438h
S446 GMT41hh
Water Resistance
Marinemaster M-44300m
S446 GMT100m
MSRP
Marinemaster M-44$5,120
S446 GMT$299

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
44mm
39.5mm
Thickness
14mm
13mm
Lug-to-Lug
47mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Crystal Shape
Flat
Domed
Dial Color
Orange
Cream

Movement

5 specs
Caliber
Sellita SW220-1
Seiko NH34A GMT
Beat Rate
28,800 vph
3 vph
Power Reserve
38h
41hh
Jewels
26
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$5,120
$299

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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.

Seestern S446 GMT

Owners widely praise the Seestern S446 GMT for its stunning finishing and extreme value, with a sapphire crystal and adjustable clasp. The winding action is noted as buttery smooth, and the 39.5mm case size is considered very wearable. Some owners, however, flag the lume as a weak point and one owner found the bracelet clasp lacked sufficient micro-adjustment. The Seestern S446 GMT is considered an extreme value for the dollar. Overall, owners rate the Seestern S446 GMT highly for its exceptional finishing and value proposition at its price point.

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