Which is cheaper, the Hamilton American Classic Valiant Auto or the Borealis Watch Co. Jamanta?

At MSRP the Borealis Watch Co. Jamanta is the cheaper of the two at $415, against $645 for the Hamilton American Classic Valiant Auto — a $230 gap before any retailer discounting.

Which is bigger, the Hamilton American Classic Valiant Auto or the Borealis Watch Co. Jamanta?

The Borealis Watch Co. Jamanta wears larger at 42.50mm versus 34mm for the Hamilton American Classic Valiant Auto — a 8.5mm difference across the dial.

Which has better water resistance, the Hamilton American Classic Valiant Auto or the Borealis Watch Co. Jamanta?

The Borealis Watch Co. Jamanta is rated to 300m versus 50m for the Hamilton American Classic Valiant Auto.

Which has a longer power reserve, the Hamilton American Classic Valiant Auto or the Borealis Watch Co. Jamanta?

The Hamilton American Classic Valiant Auto carries a 80-hour power reserve against 40 hours on the Borealis Watch Co. Jamanta.

What movement does the Hamilton American Classic Valiant Auto run compared to the Borealis Watch Co. Jamanta?

Both watches run automatic movements — the Hamilton American Classic Valiant Auto uses the H-10 and the Borealis Watch Co. Jamanta uses the Miyota 9015.

Side by side

Hamilton American Classic Valiant AutovsBorealis Watch Co. Jamanta

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

Hamilton American Classic Valiant Auto

h39415754

MSRP $645

Borealis Watch Co.Jamanta

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

MSRP $415

At a glance

11 of 29 specs differ

Diameter

American Classic Valiant Auto34mm

Jamanta42.50mm

Power Reserve

American Classic Valiant Auto80h

Jamanta40h

Water Resistance

American Classic Valiant Auto50m

Jamanta300m

MSRP

American Classic Valiant Auto$645

Jamanta$415

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

Silver

Black

Lume

None

BGW9

Movement

2 specs

Caliber

H-10

Miyota 9015

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$645

$415

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