Side by side

Borealis Watch Co. Estoril 300 GMTvsFortis Flieger F-39 Werk 7

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
Flieger F-39 Werk 7
FortisFlieger F-39 Werk 7
MSRP $4,510

At a glance

11 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Flieger F-39 Werk 739mm
Power Reserve
Estoril 300 GMT40h
Flieger F-39 Werk 738h
Water Resistance
Estoril 300 GMT300m
Flieger F-39 Werk 7200m
MSRP
Estoril 300 GMT$600
Flieger F-39 Werk 7$4,510

Full specifications

Case

6 specs
Category
Diver
Pilot
Diameter
41.50mm
39mm
Thickness
13.5mm
11.5mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
20mm
Water Resistance
300m
200m

Crystal & Dial

1 specs
Lume
BGW9
None

Movement

3 specs
Caliber
Miyota 9075
Werk 7 (Manufacture)
Power Reserve
40h
38h
Jewels
25
26

Pricing

1 specs
MSRP
$600
$4,510

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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 Flieger F-39 Werk 7

The Fortis Flieger is widely praised for its superb readability, robust build quality, and phenomenal fit and finish, with reviewers noting the practical Type-A dial and utilitarian design. The F-39 models are noted to wear large due to their lug-to-lug distance, and the UW-30 movement offers a 38-hour power reserve, while other variants feature a 70-hour power reserve. On balance, reviewers highlight the Fortis Flieger's modern, stylish take on pilot's watches, balancing legibility with unique aesthetics.

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