Which is cheaper, the Fortis Marinemaster M-44 DLC or the Seiko Diamond Collection?

At MSRP the Seiko Diamond Collection is the cheaper of the two at $525, against $5,450 for the Fortis Marinemaster M-44 DLC — a $4,925 gap before any retailer discounting.

Which is bigger, the Fortis Marinemaster M-44 DLC or the Seiko Diamond Collection?

The Fortis Marinemaster M-44 DLC wears larger at 44mm versus 32mm for the Seiko Diamond Collection — a 12mm difference across the dial.

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

The Fortis Marinemaster M-44 DLC is rated to 300m versus 10m for the Seiko Diamond Collection.

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

The Seiko Diamond Collection 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 Seiko Diamond Collection?

Both watches run automatic movements — the Fortis Marinemaster M-44 DLC uses the Sellita SW220-1 and the Seiko Diamond Collection uses the 6N32.

Side by side

Fortis Marinemaster M-44 DLCvsSeiko Diamond Collection

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

Seiko Diamond Collection

sur579

MSRP $525

At a glance

11 of 29 specs differ

Diameter

Marinemaster M-44 DLC44mm

Diamond Collection32mm

Power Reserve

Marinemaster M-44 DLC38h

Diamond Collection40h

Water Resistance

Marinemaster M-44 DLC300m

Diamond Collection100m

MSRP

Marinemaster M-44 DLC$5,450

Diamond Collection$525

Full specifications

Case

7 specs

Movement

3 specs

Caliber

Sellita SW220-1

6N32

Power Reserve

38h

40h

Jewels

Pricing

1 specs

MSRP

$5,450

$525

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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

Seiko Diamond Collection

Owners widely praise the Seiko Diamond Collection for its stunning beauty, particularly highlighting the 14 diamonds and the captivating mother-of-pearl dial. Its 33.2mm case size, 100m water resistance, sapphire crystal, and lightweight build are appreciated features contributing to comfortable wear. Some owners find the dial detail is best appreciated in direct sunlight. The gold plating on some models may show fading from desk work over time. Overall, owners rate the Seiko Diamond Collection highly for its dazzling aesthetics and comfortable, well-finished design at its price point.

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