Side by side

Fortis Marinemaster M-44 DLCvsSeiko Prospex Sea The Black Series

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 The Black Series
SeikoProspex Sea The Black Series
MSRP $765

At a glance

11 of 29 specs differ
Diameter
Marinemaster M-44 DLC44mm
Prospex Sea The Black Series45mm
Power Reserve
Marinemaster M-44 DLC38h
Prospex Sea The Black Series41h
Water Resistance
Marinemaster M-44 DLC300m
Prospex Sea The Black Series200m
MSRP
Marinemaster M-44 DLC$5,450
Prospex Sea The Black Series$765

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, index(es) and bezel

Movement

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

Pricing

1 specs
MSRP
$5,450
$765

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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 The Black Series

The Seiko Prospex Sea The Black Series is widely praised for its impressive value and compelling design elements. Reviewers highlight the SLA073's cave-diving-inspired dial, high-quality bracelet, and the robust 8L35 movement, calling it a standout release. The SRPE33 and SRPE39 models are noted for their attractive price, manta ray decorated dials, and excellent LumiBrite lume, though bezel alignment can be inconsistent. The SNJ029 is celebrated for its dynamic, colorful aesthetic, solar charging, and comfortable strap, making it ideal for outdoor adventures. Overall, the consensus is that Seiko Prospex Sea The Black Series models offer excellent value, with specific models lauded for their unique dials, quality finishing, and practical features like solar charging.

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