Side by side

Fortis Marinemaster M-44 DLCvsGrand Seiko SBGX359

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
SBGX359
Grand SeikoSBGX359

At a glance

13 of 29 specs differ
Diameter
Marinemaster M-44 DLC44mm
SBGX35933mm
Power Reserve
Marinemaster M-44 DLC38h
SBGX35940h
Water Resistance
Marinemaster M-44 DLC300m
SBGX359100m
MSRP
Marinemaster M-44 DLC$5,450
SBGX359

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
44mm
33mm
Thickness
14mm
9.1mm
Lug-to-Lug
39.7mm
Lug Width
22mm
15mm
Material
Stainless Steel (DLC)
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

4 specs
Caliber
Sellita SW220-1
9F51
Type
Automatic
Quartz
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$5,450

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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 SBGX359

The Grand Seiko SBGX359 is lauded for its technically advanced 9F51 quartz movement, enabling a compact 33mm x 9.1mm stainless steel case and offering ±10 seconds per year accuracy. Reviewers highlight the refined finishing of its Snowflake dial and 100 meters of water resistance. However, it comes with a US$3,200 price tag, representing a $500 increase over prior 9F models. Overall, reviewers praise the Grand Seiko SBGX359 for its compact dimensions and precise quartz movement at the specified price point.

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