Which is cheaper, the Borealis Watch Co. Caloura 300m or the Christopher Ward C65 Dune Aeolian?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $1,335 for the Christopher Ward C65 Dune Aeolian — a $1,060 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Christopher Ward C65 Dune Aeolian?

The Christopher Ward C65 Dune Aeolian wears larger at 43.6mm versus 42mm for the Borealis Watch Co. Caloura 300m — a 1.6mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Caloura 300m or the Christopher Ward C65 Dune Aeolian?

The Borealis Watch Co. Caloura 300m is rated to 300m versus 150m for the Christopher Ward C65 Dune Aeolian.

Which has a longer power reserve, the Borealis Watch Co. Caloura 300m or the Christopher Ward C65 Dune Aeolian?

The Borealis Watch Co. Caloura 300m carries a 40-hour power reserve against 38 hours on the Christopher Ward C65 Dune Aeolian.

What movement does the Borealis Watch Co. Caloura 300m run compared to the Christopher Ward C65 Dune Aeolian?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Christopher Ward C65 Dune Aeolian uses the SW200.

Side by side

Borealis Watch Co. Caloura 300mvsChristopher Ward C65 Dune Aeolian

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

Christopher Ward C65 Dune Aeolian

C65-38A3H4-S00B0-B0

MSRP $1,335

At a glance

16 of 29 specs differ

Diameter

Caloura 300m42mm

C65 Dune Aeolian43.6mm

Power Reserve

Caloura 300m40h

C65 Dune Aeolian38h

Water Resistance

Caloura 300m300m

C65 Dune Aeolian150m

MSRP

Caloura 300m$275

C65 Dune Aeolian$1,335

Full specifications

Case

8 specs

Crystal & Dial

2 specs

Dial Color

Black

Blue

Lume

BGW9

SLN BL Grade X1

Movement

5 specs

Caliber

NH35

SW200

Beat Rate

28,800 vph

4 vph

Power Reserve

40h

38h

Jewels

Complications

None

Moonphase, Day-date

Pricing

1 specs

MSRP

$275

$1,335

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