What movement does the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 run compared to the Borealis Watch Co. Jamanta?

Both watches run automatic movements — the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 uses the Seiko NH36 and the Borealis Watch Co. Jamanta uses the Miyota 9015.

Side by side

Islander Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63vsBorealis Watch Co. Jamanta

Q: Which is cheaper, the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 or the Borealis Watch Co. Jamanta?

At MSRP the Borealis Watch Co. Jamanta is the cheaper of the two at $415, against $429 for the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 — a $14 gap before any retailer discounting.

Q: Which is bigger, the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 or the Borealis Watch Co. Jamanta?

The Borealis Watch Co. Jamanta wears larger at 42.50mm versus 38mm for the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 — a 4.5mm difference across the dial.

Q: Which has better water resistance, the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63 or the Borealis Watch Co. Jamanta?

The Borealis Watch Co. Jamanta is rated to 300m versus 200m for the Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63.

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

Islander Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63

islander-38mm-automatic-dive-watch-with-radiant-blue-dial-isl-63

MSRP $429

Borealis Watch Co.Jamanta

prometheus-jamanta-black-dial-date-miyota-9015

MSRP $415

At a glance

17 of 29 specs differ

Diameter

Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-6338mm

Jamanta42.50mm

Power Reserve

Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63—

Jamanta40h

Water Resistance

Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63200m

Jamanta300m

MSRP

Islander 38mm Automatic Dive Watch with Radiant Blue Dial #ISL-63$429

Jamanta$415

Full specifications

Case

7 specs

Diameter

38mm

42.50mm

Thickness

13mm

13.30mm

Lug-to-Lug

44.5mm

50.40mm

Lug Width

20mm

22mm

Finish

—

Brushed and polished

Water Resistance

200m

300m

Caseback

Engraved screw-in back

Solid

Crystal & Dial

5 specs

Crystal Shape

Double Domed

Flat

AR Coating

Yes

Inner

Dial Color

—

Black

Indices

—

Applied

Lume

None

BGW9

Movement

4 specs

Caliber

Seiko NH36

Miyota 9015

Beat Rate

0 vph

28,800 vph

Power Reserve

40h

Jewels

Pricing

1 specs

MSRP

$429

$415

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