Side by side

Fortis Marinemaster M-44 DLCvsSeiko King Turtle

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
King Turtle
SeikoKing Turtle
MSRP $650

At a glance

11 of 29 specs differ
Diameter
Marinemaster M-44 DLC44mm
King Turtle45mm
Power Reserve
Marinemaster M-44 DLC38h
King Turtle41h
Water Resistance
Marinemaster M-44 DLC300m
King Turtle200m
MSRP
Marinemaster M-44 DLC$5,450
King Turtle$650

Full specifications

Case

5 specs
Diameter
44mm
45mm
Thickness
14mm
13.2mm
Lug-to-Lug
47.7mm
Material
Stainless Steel (DLC)
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)

Movement

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

Pricing

1 specs
MSRP
$5,450
$650

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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 King Turtle

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many appreciating its faithful recreation of classic designs and proven movements like the 4R36 and 6R15. Reviewers highlight impressive case finishing and durability, noting that even larger models wear smaller than expected due to thoughtful case design. Some owners find the solar quartz models a great entry point, appreciating their design and solar functionality. However, specific variants receive critiques: the bracelet clasp on the Samurai is described as underwhelming, and the Sumo's bracelet width and clasp are seen as too narrow and rudimentary, respectively. The SPB183 is considered expensive for a Japanese watch, and its lume is noted as not quite matching older Seiko Monster models. The GMT function on the SPB519 is deemed less practical for serious travel, and its bezel clicks are described as quieter and mushier.

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