Which is cheaper, the Borealis Watch Co. Jamanta or the Spinnaker Tesei Forged Carbon?

At MSRP the Borealis Watch Co. Jamanta is the cheaper of the two at $415, against $550 for the Spinnaker Tesei Forged Carbon — a $135 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Jamanta or the Spinnaker Tesei Forged Carbon?

The Spinnaker Tesei Forged Carbon wears larger at 43mm versus 42.50mm for the Borealis Watch Co. Jamanta — a 0.5mm difference across the dial.

What movement does the Borealis Watch Co. Jamanta run compared to the Spinnaker Tesei Forged Carbon?

Both watches run automatic movements — the Borealis Watch Co. Jamanta uses the Miyota 9015 and the Spinnaker Tesei Forged Carbon uses the SII NH35A.

Side by side

Borealis Watch Co. JamantavsSpinnaker Tesei Forged Carbon

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 Forged Carbon

tesei-forged-carbon-automatic-limited-edition-white-frost-sp-5143-01

MSRP $550

At a glance

9 of 29 specs differ

Diameter

Jamanta42.50mm

Tesei Forged Carbon43mm

Power Reserve

Jamanta40h

Tesei Forged Carbon40h

Water Resistance

Jamanta300m

Tesei Forged Carbon300m

MSRP

Jamanta$415

Tesei Forged Carbon$550

Full specifications

Case

5 specs

Diameter

42.50mm

43mm

Thickness

13.30mm

16mm

Lug-to-Lug

50.40mm

52mm

Lug Width

22mm

Material

Stainless Steel

316L Stainless Steel

Crystal & Dial

2 specs

Dial Color

Black

White

Lume

BGW9

None

Movement

1 specs

Caliber

Miyota 9015

SII NH35A

Pricing

1 specs

MSRP

$415

$550

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