Which is cheaper, the Fortis Marinemaster M-44 DLC or the Grand Seiko SBGX355?

At MSRP the Grand Seiko SBGX355 is the cheaper of the two at $4,100, against $5,450 for the Fortis Marinemaster M-44 DLC — a $1,350 gap before any retailer discounting.

Which is bigger, the Fortis Marinemaster M-44 DLC or the Grand Seiko SBGX355?

The Fortis Marinemaster M-44 DLC wears larger at 44mm versus 37mm for the Grand Seiko SBGX355 — a 7mm difference across the dial.

Which has better water resistance, the Fortis Marinemaster M-44 DLC or the Grand Seiko SBGX355?

The Fortis Marinemaster M-44 DLC is rated to 300m versus 100m for the Grand Seiko SBGX355.

Which has a longer power reserve, the Fortis Marinemaster M-44 DLC or the Grand Seiko SBGX355?

The Grand Seiko SBGX355 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 SBGX355?

The Fortis Marinemaster M-44 DLC runs a automatic caliber (Sellita SW220-1), while the Grand Seiko SBGX355 runs a quartz (9F62).

Side by side

Fortis Marinemaster M-44 DLCvsGrand Seiko SBGX355

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 SBGX355

sbgx355g

MSRP $4,100

At a glance

13 of 29 specs differ

Diameter

Marinemaster M-44 DLC44mm

SBGX35537mm

Power Reserve

Marinemaster M-44 DLC38h

SBGX35540h

Water Resistance

Marinemaster M-44 DLC300m

SBGX355100m

MSRP

Marinemaster M-44 DLC$5,450

SBGX355$4,100

Full specifications

Case

7 specs

Crystal & Dial

1 specs

AR Coating

Inner

Yes

Movement

4 specs

Caliber

Sellita SW220-1

9F62

Type

Automatic

Quartz

Power Reserve

38h

40h

Jewels

Pricing

1 specs

MSRP

$5,450

$4,100

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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 SBGX355

The Grand Seiko SBGX355 is widely praised for its beautiful dial, excellent finishing, and perfect 37mm size. Owners report unparalleled accuracy from the 9F62 quartz movement, rated to within 10 seconds per year. The high-intensity titanium case and 100m water resistance are noted features. Some consider the SBGX355 a "baby Snowflake" and a more accessible alternative to other models. Overall, owners and reviewers rate the Grand Seiko SBGX355 highly for its iconic Snowflake dial and exceptional quartz accuracy in a wearable 37mm case.

From video reviewers

The titanium case finishing is a significant strength. The deployant clasp is noted as prone to rattle. Reviewers disagree on the ideal case size for everyday wear.

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