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

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $1,245 for the Hamilton Jazzmaster Performer Automatic — a $970 gap before any retailer discounting.

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

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 38mm for the Hamilton Jazzmaster Performer Automatic — a 4mm difference across the dial.

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

The Borealis Watch Co. Caloura 300m is rated to 300m versus 100m for the Hamilton Jazzmaster Performer Automatic.

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

The Hamilton Jazzmaster Performer Automatic 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 Jazzmaster Performer Automatic?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Hamilton Jazzmaster Performer Automatic uses the H-10.

Side by side

Borealis Watch Co. Caloura 300mvsHamilton Jazzmaster Performer Automatic

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 Performer Automatic

h36235140

MSRP $1,245

At a glance

11 of 29 specs differ

Diameter

Caloura 300m42mm

Jazzmaster Performer Automatic38mm

Power Reserve

Caloura 300m40h

Jazzmaster Performer Automatic80h

Water Resistance

Caloura 300m300m

Jazzmaster Performer Automatic100m

MSRP

Caloura 300m$275

Jazzmaster Performer Automatic$1,245

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

Black

Blue

Lume

BGW9

None

Movement

2 specs

Caliber

NH35

H-10

Power Reserve

40h

80h

Pricing

1 specs

MSRP

$275

$1,245

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