Which is cheaper, the Borealis Watch Co. Caloura 300m or the Hamilton American Classic Valiant Auto?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $645 for the Hamilton American Classic Valiant Auto — a $370 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Hamilton American Classic Valiant Auto?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 34mm for the Hamilton American Classic Valiant Auto — a 8mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Caloura 300m or the Hamilton American Classic Valiant Auto?

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

Which has a longer power reserve, the Borealis Watch Co. Caloura 300m or the Hamilton American Classic Valiant Auto?

The Hamilton American Classic Valiant Auto carries a 80-hour power reserve against 40 hours on the Borealis Watch Co. Caloura 300m.

What movement does the Borealis Watch Co. Caloura 300m run compared to the Hamilton American Classic Valiant Auto?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Hamilton American Classic Valiant Auto uses the H-10.

Side by side

Borealis Watch Co. Caloura 300mvsHamilton American Classic Valiant Auto

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

Borealis Watch Co.Caloura 300m

borealis-caloura-diver-watch

MSRP $275

Hamilton American Classic Valiant Auto

h39415754

MSRP $645

At a glance

11 of 29 specs differ

Diameter

Caloura 300m42mm

American Classic Valiant Auto34mm

Power Reserve

Caloura 300m40h

American Classic Valiant Auto80h

Water Resistance

Caloura 300m300m

American Classic Valiant Auto50m

MSRP

Caloura 300m$275

American Classic Valiant Auto$645

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

Black

Silver

Lume

BGW9

None

Movement

2 specs

Caliber

NH35

H-10

Power Reserve

40h

80h

Pricing

1 specs

MSRP

$275

$645

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