Which is cheaper, the Borealis Watch Co. Jamanta or the Spinnaker Tesei Mille Metri GMT?

At MSRP the Borealis Watch Co. Jamanta is the cheaper of the two at $415, against $559 for the Spinnaker Tesei Mille Metri GMT — a $144 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Jamanta or the Spinnaker Tesei Mille Metri GMT?

The Spinnaker Tesei Mille Metri GMT wears larger at 44mm versus 42.50mm for the Borealis Watch Co. Jamanta — a 1.5mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Jamanta or the Spinnaker Tesei Mille Metri GMT?

The Spinnaker Tesei Mille Metri GMT is rated to 1000m versus 300m for the Borealis Watch Co. Jamanta.

What movement does the Borealis Watch Co. Jamanta run compared to the Spinnaker Tesei Mille Metri GMT?

Both watches run automatic movements — the Borealis Watch Co. Jamanta uses the Miyota 9015 and the Spinnaker Tesei Mille Metri GMT uses the Seiko NH34A.

Side by side

Borealis Watch Co. JamantavsSpinnaker Tesei Mille Metri GMT

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

Borealis Watch Co.Jamanta

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

MSRP $415

Spinnaker Tesei Mille Metri GMT

tesei-mille-metri-gmt-midnight-black-sp-5091-11

MSRP $559

At a glance

10 of 29 specs differ

Diameter

Jamanta42.50mm

Tesei Mille Metri GMT44mm

Power Reserve

Jamanta40h

Tesei Mille Metri GMT40h

Water Resistance

Jamanta300m

Tesei Mille Metri GMT1,000m

MSRP

Jamanta$415

Tesei Mille Metri GMT$559

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Lume

BGW9

None

Movement

1 specs

Caliber

Miyota 9015

Seiko NH34A

Pricing

1 specs

MSRP

$415

$559

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