Which is cheaper, the Borealis Watch Co. Caloura 300m or the Spinnaker Bradner Pearl Diver?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $370 for the Spinnaker Bradner Pearl Diver — a $95 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Spinnaker Bradner Pearl Diver?

The Spinnaker Bradner Pearl Diver wears larger at 42mm versus 42mm for the Borealis Watch Co. Caloura 300m — a 0mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Caloura 300m or the Spinnaker Bradner Pearl Diver?

The Borealis Watch Co. Caloura 300m is rated to 300m versus 180m for the Spinnaker Bradner Pearl Diver.

What movement does the Borealis Watch Co. Caloura 300m run compared to the Spinnaker Bradner Pearl Diver?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Spinnaker Bradner Pearl Diver uses the SII NH35A.

Side by side

Borealis Watch Co. Caloura 300mvsSpinnaker Bradner Pearl Diver

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

Spinnaker Bradner Pearl Diver

bradner-pearl-diver-automatic-limited-edition-emerald-tide-sp-5158-11

MSRP $370

At a glance

10 of 29 specs differ

Diameter

Caloura 300m42mm

Bradner Pearl Diver42mm

Power Reserve

Caloura 300m40h

Bradner Pearl Diver40h

Water Resistance

Caloura 300m300m

Bradner Pearl Diver180m

MSRP

Caloura 300m$275

Bradner Pearl Diver$370

Full specifications

Case

6 specs

Diameter

42mm

Thickness

13.9mm

15mm

Lug-to-Lug

44.20mm

50mm

Lug Width

22mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

300m

180m

Crystal & Dial

2 specs

Dial Color

Black

Emerald

Lume

BGW9

None

Movement

1 specs

Caliber

NH35

SII NH35A

Pricing

1 specs

MSRP

$275

$370

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