Side by side

Fortis Marinemaster M-44vsSeiko Prospex Sea JAWS 50th Anniversary Limited Edition

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

At a glance

11 of 29 specs differ
Diameter
Marinemaster M-4444mm
Prospex Sea JAWS 50th Anniversary Limited Edition45mm
Power Reserve
Marinemaster M-4438h
Prospex Sea JAWS 50th Anniversary Limited Edition41h
Water Resistance
Marinemaster M-44300m
Prospex Sea JAWS 50th Anniversary Limited Edition200m
MSRP
Marinemaster M-44$5,120
Prospex Sea JAWS 50th Anniversary Limited Edition$795

Full specifications

Case

4 specs
Diameter
44mm
45mm
Thickness
14mm
13.2mm
Lug-to-Lug
47.7mm
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Orange
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW220-1
4R36
Power Reserve
38h
41h
Jewels
26
24

Pricing

1 specs
MSRP
$5,120
$795

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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.

Seiko Prospex Sea JAWS 50th Anniversary Limited Edition

The Seiko Prospex Sea JAWS 50th Anniversary Limited Edition is praised for its well-executed movie homage, featuring a striking silver-to-blue gradient dial with a hidden shark design and the "JAWS" logo. Owners note the special case back marked with the Orca boat and shark fin, and the inclusion of a special box. The watch is considered a fun summer piece, with a comfortable blue silicone strap, despite its 45mm dimensions. The 4R36 automatic movement is noted to have a 41-hour power reserve, with accuracy reported between +45 and -35 seconds per day. On balance, owners and reviewers appreciate the Seiko Prospex Sea JAWS 50th Anniversary Limited Edition for its unique Jaws-themed dial and commemorative details.

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