Side by side

Fortis Marinemaster M-44 DLCvsSeiko Prospex Sea

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 Sea
SeikoProspex Sea
MSRP $595

At a glance

12 of 29 specs differ
Diameter
Marinemaster M-44 DLC44mm
Prospex Sea41.7mm
Power Reserve
Marinemaster M-44 DLC38h
Prospex Sea41h
Water Resistance
Marinemaster M-44 DLC300m
Prospex Sea200m
MSRP
Marinemaster M-44 DLC$5,450
Prospex Sea$595

Full specifications

Case

6 specs
Diameter
44mm
41.7mm
Thickness
14mm
12.3mm
Lug-to-Lug
49.5mm
Lug Width
22mm
20mm
Material
Stainless Steel (DLC)
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Hardlex
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW220-1
4R35
Power Reserve
38h
41h
Jewels
26
23

Pricing

1 specs
MSRP
$5,450
$595

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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 Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

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