Side by side

Borealis Watch Co. Estoril 300 GMTvsFortis Marinemaster M-44 DLC

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

Estoril 300 GMT
Borealis Watch Co.Estoril 300 GMT
MSRP $600
Marinemaster M-44 DLC
FortisMarinemaster M-44 DLC
MSRP $5,450

At a glance

10 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Marinemaster M-44 DLC44mm
Power Reserve
Estoril 300 GMT40h
Marinemaster M-44 DLC38h
Water Resistance
Estoril 300 GMT300m
Marinemaster M-44 DLC300m
MSRP
Estoril 300 GMT$600
Marinemaster M-44 DLC$5,450

Full specifications

Case

5 specs
Diameter
41.50mm
44mm
Thickness
13.5mm
14mm
Lug-to-Lug
47mm
Lug Width
20mm
22mm
Material
Stainless Steel
Stainless Steel (DLC)

Crystal & Dial

1 specs
Lume
BGW9
None

Movement

3 specs
Caliber
Miyota 9075
Sellita SW220-1
Power Reserve
40h
38h
Jewels
25
26

Pricing

1 specs
MSRP
$600
$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.

Borealis Watch Co. Estoril 300 GMT

Owners widely praise the Borealis Watch Co. Estoril 300 GMT for its excellent value, robust build quality, and crisp dial, with reviewers highlighting its exceptionally bright BGW9 lume and dive-ready ceramic bezel. Some owners appreciate the brushed and polished finishes, though one owner noted a desire for a white-painted second hand. The included NATO strap is considered too thick with a loose weave, and the sapphire bezel insert is seen by some as a minor aesthetic departure from its inspirations. Overall, owners rate the Borealis Watch Co. Estoril 300 GMT highly for its impressive build quality and value.

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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