Side by side

Islander Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316vsBorealis Watch Co. Jamanta

Q: Which is cheaper, the Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316 or the Borealis Watch Co. Jamanta?

At MSRP the Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316 is the cheaper of the two at $379, against $415 for the Borealis Watch Co. Jamanta — a $36 gap before any retailer discounting.

Q: Which is bigger, the Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316 or the Borealis Watch Co. Jamanta?

The Borealis Watch Co. Jamanta wears larger at 42.50mm versus 40mm for the Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316 — a 2.5mm difference across the dial.

Q: Which has better water resistance, the Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316 or the Borealis Watch Co. Jamanta?

The Borealis Watch Co. Jamanta is rated to 300m versus 200m for the Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316.

Q: What movement does the Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316 run compared to the Borealis Watch Co. Jamanta?

Both watches run automatic movements — the Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316 uses the Seiko NH34 and the Borealis Watch Co. Jamanta uses the Miyota 9015.

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

Islander Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316

islander-calabro-gmt-world-time-automatic-watch-with-anthracite-dial-isl-316

MSRP $379

Borealis Watch Co.Jamanta

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

MSRP $415

At a glance

17 of 29 specs differ

Diameter

Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-31640mm

Jamanta42.50mm

Power Reserve

Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316—

Jamanta40h

Water Resistance

Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316200m

Jamanta300m

MSRP

Islander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316$379

Jamanta$415

Full specifications

Case

8 specs

Crystal & Dial

4 specs

AR Coating

Underside

Inner

Dial Color

—

Black

Indices

—

Applied

Lume

None

BGW9

Movement

4 specs

Caliber

Seiko NH34

Miyota 9015

Beat Rate

0 vph

28,800 vph

Power Reserve

40h

Jewels

Pricing

1 specs

MSRP

$379

$415

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