Which is cheaper, the Borealis Watch Co. Caloura 300m or the Hamilton Jazzmaster Thinline Auto?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $1,145 for the Hamilton Jazzmaster Thinline Auto — a $870 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Hamilton Jazzmaster Thinline Auto?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 40mm for the Hamilton Jazzmaster Thinline Auto — a 2mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Caloura 300m or the Hamilton Jazzmaster Thinline Auto?

The Borealis Watch Co. Caloura 300m is rated to 300m versus 50m for the Hamilton Jazzmaster Thinline Auto.

Which has a longer power reserve, the Borealis Watch Co. Caloura 300m or the Hamilton Jazzmaster Thinline Auto?

The Hamilton Jazzmaster Thinline Auto carries a 42-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 Jazzmaster Thinline Auto?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Hamilton Jazzmaster Thinline Auto uses the 2892-A2.

Side by side

Borealis Watch Co. Caloura 300mvsHamilton Jazzmaster Thinline 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 Jazzmaster Thinline Auto

h38525121

MSRP $1,145

At a glance

11 of 29 specs differ

Diameter

Caloura 300m42mm

Jazzmaster Thinline Auto40mm

Power Reserve

Caloura 300m40h

Jazzmaster Thinline Auto42h

Water Resistance

Caloura 300m300m

Jazzmaster Thinline Auto50m

MSRP

Caloura 300m$275

Jazzmaster Thinline Auto$1,145

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

Black

Beige

Lume

BGW9

None

Movement

2 specs

Caliber

NH35

2892-A2

Power Reserve

40h

42h

Pricing

1 specs

MSRP

$275

$1,145

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