Side by side

Borealis Watch Co. Estoril 300 GMTvsIslander Islander Bridgehampton Racing Chronograph with Asphalt Black Dial #ISL-234

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
Islander Bridgehampton Racing Chronograph with Asphalt Black Dial #ISL-234
IslanderIslander Bridgehampton Racing Chronograph with Asphalt Black Dial #ISL-234
MSRP $599

At a glance

19 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Islander Bridgehampton Racing Chronograph with Asphalt Black Dial #ISL-23440mm
Power Reserve
Estoril 300 GMT40h
Islander Bridgehampton Racing Chronograph with Asphalt Black Dial #ISL-234
Water Resistance
Estoril 300 GMT300m
Islander Bridgehampton Racing Chronograph with Asphalt Black Dial #ISL-234100m
MSRP
Estoril 300 GMT$600
Islander Bridgehampton Racing Chronograph with Asphalt Black Dial #ISL-234$599

Full specifications

Case

8 specs
Category
Diver
Chronograph
Diameter
41.50mm
40mm
Thickness
13.5mm
14mm
Lug-to-Lug
47mm
0mm
Lug Width
20mm
20mm
Finish
Brushed and polished
Water Resistance
300m
100m
Caseback
Solid
Screw-down

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
Black
Indices
Applied
Lume
BGW9
None

Movement

5 specs
Caliber
Miyota 9075
Seagull ST1901
Type
Automatic
Manual
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$600
$599

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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.

Islander Bridgehampton Racing Chronograph with Asphalt Black Dial #ISL-234

The Islander Bridgehampton Racing Chronograph with Asphalt Black Dial #ISL-234 is widely praised for its exceptional value, with owners and reviewers highlighting its build quality, case, bracelet, dial, and lume, likening it to higher-end brands. It features a reliable Seagull ST1901 manual-wind chronograph movement and a 40mm case, coming with both a bracelet and a leather racing strap. One owner notes that the watch's timekeeping accuracy is a point of concern due to the lack of a hacking function. Overall, owners and reviewers rate the Islander Bridgehampton Racing Chronograph with Asphalt Black Dial #ISL-234 highly for its impressive build quality and comprehensive package at its sub-$500 price point.

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