Which is cheaper, the Fortis Marinemaster M-44 DLC or the Grand Seiko STGF359?

At MSRP the Grand Seiko STGF359 is the cheaper of the two at $2,600, against $5,450 for the Fortis Marinemaster M-44 DLC — a $2,850 gap before any retailer discounting.

Which is bigger, the Fortis Marinemaster M-44 DLC or the Grand Seiko STGF359?

The Fortis Marinemaster M-44 DLC wears larger at 44mm versus 28.9mm for the Grand Seiko STGF359 — a 15.1mm difference across the dial.

Which has better water resistance, the Fortis Marinemaster M-44 DLC or the Grand Seiko STGF359?

The Fortis Marinemaster M-44 DLC is rated to 300m versus 100m for the Grand Seiko STGF359.

Which has a longer power reserve, the Fortis Marinemaster M-44 DLC or the Grand Seiko STGF359?

The Grand Seiko STGF359 carries a 40-hour power reserve against 38 hours on the Fortis Marinemaster M-44 DLC.

What movement does the Fortis Marinemaster M-44 DLC run compared to the Grand Seiko STGF359?

The Fortis Marinemaster M-44 DLC runs a automatic caliber (Sellita SW220-1), while the Grand Seiko STGF359 runs a quartz (4J52).

Side by side

Fortis Marinemaster M-44 DLCvsGrand Seiko STGF359

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Fortis Marinemaster M-44 DLC

M-44 DLC

MSRP $5,450

Grand Seiko STGF359

stgf359g

MSRP $2,600

At a glance

13 of 29 specs differ

Diameter

Marinemaster M-44 DLC44mm

STGF35928.9mm

Power Reserve

Marinemaster M-44 DLC38h

STGF35940h

Water Resistance

Marinemaster M-44 DLC300m

STGF359100m

MSRP

Marinemaster M-44 DLC$5,450

STGF359$2,600

Full specifications

Case

7 specs

Crystal & Dial

1 specs

AR Coating

Inner

Yes

Movement

4 specs

Caliber

Sellita SW220-1

4J52

Type

Automatic

Quartz

Power Reserve

38h

40h

Jewels

Pricing

1 specs

MSRP

$5,450

$2,600

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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.

Fratello

Monochrome

Grand Seiko STGF359

Owners widely praise the Grand Seiko STGF359 for its elegant pairing with an engagement ring. Some owners find the 29mm case size too small for a man's wrist, while others suggest it can be worn by men with smaller wrists, recommending an in-person try-on. One owner notes potential date wheel misalignment requiring servicing. The bracelet has a maximum perimeter of 185mm, with extra links available. On balance, owners value the Grand Seiko STGF359 for its elegant aesthetic, though its small size is a point of consideration.

From video reviewers

The Grand Seiko STGF359 features a 9F quartz movement with exceptional accuracy, deviating by only +/−10 seconds per year. A drawback of the watch is its 40mm case size, which may be a concern for those with smaller wrists. Reviewers disagree on the type of movement, with one praising the 9F quartz and the other highlighting the spring drive movement.

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