Side by side

Fortis Marinemaster M-44 DLCvsGrand Seiko SLGA015

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
SLGA015
Grand SeikoSLGA015
MSRP $12,600

At a glance

12 of 29 specs differ
Diameter
Marinemaster M-44 DLC44mm
SLGA01543.8mm
Power Reserve
Marinemaster M-44 DLC38h
SLGA015120h
Water Resistance
Marinemaster M-44 DLC300m
SLGA015200m
MSRP
Marinemaster M-44 DLC$5,450
SLGA015$12,600

Full specifications

Case

6 specs
Diameter
44mm
43.8mm
Thickness
14mm
13.8mm
Lug-to-Lug
51.5mm
Lug Width
22mm
23mm
Material
Stainless Steel (DLC)
Titanium
Water Resistance
300m
200m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

4 specs
Caliber
Sellita SW220-1
9RA5
Type
Automatic
Spring Drive
Power Reserve
38h
120h
Jewels
26
25

Pricing

1 specs
MSRP
$5,450
$12,600

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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.

Grand Seiko SLGA015

The Grand Seiko SLGA015 is widely praised for its exceptional accuracy, with owners reporting performance far exceeding the stated 10 seconds per month. The Spring Drive movement's smooth sweep and 5-day power reserve are also noted strengths, as is the lighter titanium case construction. However, some owners find the bracelet extension non-intuitive, and one noted the clasp scratched easily. The watch features a nature-inspired, wave-like dial texture. Overall, owners rate the Grand Seiko SLGA015 highly for its impressive accuracy and quality construction.

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