Side by side

Borealis Watch Co. Estoril 300 GMTvsIslander Islander Northport Hi-Beat Automatic Dive Watch with Ocean Blue and White Ripple Dial #ISL-195

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 Northport Hi-Beat Automatic Dive Watch with Ocean Blue and White Ripple Dial #ISL-195
IslanderIslander Northport Hi-Beat Automatic Dive Watch with Ocean Blue and White Ripple Dial #ISL-195
MSRP $499

At a glance

15 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Islander Northport Hi-Beat Automatic Dive Watch with Ocean Blue and White Ripple Dial #ISL-19540.5mm
Power Reserve
Estoril 300 GMT40h
Islander Northport Hi-Beat Automatic Dive Watch with Ocean Blue and White Ripple Dial #ISL-195
Water Resistance
Estoril 300 GMT300m
Islander Northport Hi-Beat Automatic Dive Watch with Ocean Blue and White Ripple Dial #ISL-195200m
MSRP
Estoril 300 GMT$600
Islander Northport Hi-Beat Automatic Dive Watch with Ocean Blue and White Ripple Dial #ISL-195$499

Full specifications

Case

6 specs
Diameter
41.50mm
40.5mm
Thickness
13.5mm
12.5mm
Lug-to-Lug
47mm
47mm
Lug Width
20mm
20mm
Finish
Brushed and polished
Water Resistance
300m
200m

Crystal & Dial

4 specs
AR Coating
Inner
Yes
Dial Color
Black
Indices
Applied
Lume
BGW9
None

Movement

4 specs
Caliber
Miyota 9075
Miyota 9015
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$600
$499

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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 Northport Hi-Beat Automatic Dive Watch with Ocean Blue and White Ripple Dial #ISL-195

Owners and reviewers widely praise the Islander Northport Hi-Beat Automatic Dive Watch with Ocean Blue and White Ripple Dial #ISL-195 for its attractive ripple dial, high-beat Miyota 9015 movement, and sapphire crystal, noting its excellent build quality and value at $250. One owner highlights the watch's colors and movement as key strengths, while another finds it worthy of being a primary daily wear. On balance, owners and reviewers rate the Islander Northport Hi-Beat Automatic Dive Watch with Ocean Blue and White Ripple Dial #ISL-195 highly for its combination of aesthetic appeal, reliable hi-beat movement, and strong value proposition.

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