Side by side

Fortis Marinemaster M-44 DLCvsSeiko King Seiko KSK

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 Seiko KSK
SeikoKing Seiko KSK
MSRP $3,300

At a glance

12 of 29 specs differ
Diameter
Marinemaster M-44 DLC44mm
King Seiko KSK38.6mm
Power Reserve
Marinemaster M-44 DLC38h
King Seiko KSK45h
Water Resistance
Marinemaster M-44 DLC300m
King Seiko KSK50m
MSRP
Marinemaster M-44 DLC$5,450
King Seiko KSK$3,300

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
44mm
38.6mm
Thickness
14mm
10.7mm
Lug-to-Lug
45.8mm
Lug Width
22mm
19mm
Material
Stainless Steel (DLC)
Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

2 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface

Movement

2 specs
Caliber
Sellita SW220-1
6L35
Power Reserve
38h
45h

Pricing

1 specs
MSRP
$5,450
$3,300

Follow this matchup

Get a note when Fortis Marinemaster M-44 DLC vs Seiko King Seiko KSK gets more votes, a community discussion, or a price drop. No account needed.

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 Seiko KSK

Owners and reviewers widely praise the King Seiko KSK for its exceptional dial and case finishing, often compared to higher-end brands, and its slim, retro design. The use of the Calibre 6L35 movement in some variants is seen as a significant upgrade, contributing to a refined feel, while others note the bracelet is unusually nice and the case offers a mix of brushed and polished finishes with sharp angles. However, some owners question the value proposition, citing misaligned screws and clasp components on their examples, and the standard 6R movement in some models is criticized as a disappointment for the price point. Accuracy figures range from +15/-10 seconds per day to +5 to +7 seconds per day, and water resistance is rated at 5 BAR or 50 meters. Overall, owners and reviewers find the King Seiko KSK to be a beautiful and classy watch with fantastic finishing, though some are divided on its value and movement choice at its price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.