Side by side

Borealis Watch Co. Estoril 300 GMTvsIslander Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05

Q: Which is cheaper, the Borealis Watch Co. Estoril 300 GMT or the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05?

At MSRP the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05 is the cheaper of the two at $429, against $600 for the Borealis Watch Co. Estoril 300 GMT — a $171 gap before any retailer discounting.

Q: Which is bigger, the Borealis Watch Co. Estoril 300 GMT or the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05?

The Borealis Watch Co. Estoril 300 GMT wears larger at 41.50mm versus 38mm for the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05 — a 3.5mm difference across the dial.

Q: Which has better water resistance, the Borealis Watch Co. Estoril 300 GMT or the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05?

The Borealis Watch Co. Estoril 300 GMT is rated to 300m versus 200m for the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05.

Q: What movement does the Borealis Watch Co. Estoril 300 GMT run compared to the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05?

Both watches run automatic movements — the Borealis Watch Co. Estoril 300 GMT uses the Miyota 9075 and the Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05 uses the Seiko NH36.

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

Borealis Watch Co.Estoril 300 GMT

borealis-estoril-300-gmt-black-dial-arabic-numbers-black-red-bezel-date-version-k

MSRP $600

Islander Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05

islander-38mm-automatic-dive-watch-with-solid-link-bracelet-ar-sapphire-crystal-

MSRP $429

At a glance

16 of 29 specs differ

Diameter

Estoril 300 GMT41.50mm

Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-0538mm

Power Reserve

Estoril 300 GMT40h

Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05—

Water Resistance

Estoril 300 GMT300m

Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05200m

MSRP

Estoril 300 GMT$600

Islander 38mm Automatic Dive Watch with Solid-Link Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-05$429

Full specifications

Case

7 specs

Diameter

41.50mm

38mm

Thickness

13.5mm

13mm

Lug-to-Lug

47mm

44.5mm

Lug Width

20mm

Finish

Brushed and polished

—

Water Resistance

300m

200m

Caseback

Solid

Engraved screw-in back

Crystal & Dial

4 specs

AR Coating

Inner

Yes

Dial Color

Black

—

Indices

Applied

—

Lume

BGW9

None

Movement

4 specs

Caliber

Miyota 9075

Seiko NH36

Beat Rate

28,800 vph

0 vph

Power Reserve

40h

Jewels

Pricing

1 specs

MSRP

$600

$429

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