Side by side

Borealis Watch Co. Estoril 300 GMTvsSpinnaker Fleuss 40 Automatic

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
Fleuss 40 Automatic
SpinnakerFleuss 40 Automatic
MSRP $450

At a glance

10 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Fleuss 40 Automatic40mm
Power Reserve
Estoril 300 GMT40h
Fleuss 40 Automatic40h
Water Resistance
Estoril 300 GMT300m
Fleuss 40 Automatic150m
MSRP
Estoril 300 GMT$600
Fleuss 40 Automatic$450

Full specifications

Case

6 specs
Diameter
41.50mm
40mm
Thickness
13.5mm
11mm
Lug-to-Lug
47mm
47mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
150m

Crystal & Dial

2 specs
Dial Color
Black
Coral
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9075
SII NH35A

Pricing

1 specs
MSRP
$600
$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.

Spinnaker Fleuss 40 Automatic

Owners find the Spinnaker Fleuss 40 Automatic a good size for smaller wrists, though one owner notes the lume is too diffuse for easy nighttime reading. The pilot-style crown is an unusual feature for a dive watch. Overall, owners value the Spinnaker Fleuss 40 Automatic for its wearability on smaller wrists.

From video reviewers

The coral red dial is a unique aesthetic. The watch is a strong contender for best-in-class under $300.

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