Side by side

Bremont Supermarine 300MvsFortis Marinemaster M-44 DLC

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Marinemaster M-44 DLC
FortisMarinemaster M-44 DLC
MSRP $5,450

At a glance

9 of 29 specs differ
Diameter
Supermarine 300M40mm
Marinemaster M-44 DLC44mm
Power Reserve
Supermarine 300M40h
Marinemaster M-44 DLC38h
Water Resistance
Supermarine 300M300m
Marinemaster M-44 DLC300m
MSRP
Supermarine 300M$3,550
Marinemaster M-44 DLC$5,450

Full specifications

Case

4 specs
Diameter
40mm
44mm
Thickness
12mm
14mm
Lug Width
20mm
22mm
Material
904L Stainless Steel
Stainless Steel (DLC)

Crystal & Dial

1 specs
Dial Color
Green
Black

Movement

3 specs
Caliber
BE-92AE
Sellita SW220-1
Power Reserve
40h
38h
Jewels
25
26

Pricing

1 specs
MSRP
$3,550
$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.

Bremont Supermarine 300M

The Bremont Supermarine 300M is praised for its comfortable 40mm and 42mm case sizes, with owners noting the 42mm wears well on smaller wrists due to its lug design. One owner highlights the 13mm thinness of the 40mm case, considered compact for a 300m diver. The watch is priced at $1375. On balance, owners and reviewers appreciate the Bremont Supermarine 300M for its wearability and compact dimensions, especially for a dive watch.

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.

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