Which is cheaper, the Borealis Watch Co. Caloura 300m or the Wolbrook Skindiver WT Professional?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $476 for the Wolbrook Skindiver WT Professional — a $201 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Wolbrook Skindiver WT Professional?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 40mm for the Wolbrook Skindiver WT Professional — a 2mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Caloura 300m or the Wolbrook Skindiver WT Professional?

The Borealis Watch Co. Caloura 300m is rated to 300m versus 120m for the Wolbrook Skindiver WT Professional.

What movement does the Borealis Watch Co. Caloura 300m run compared to the Wolbrook Skindiver WT Professional?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the Seiko NH35 and the Wolbrook Skindiver WT Professional uses the Miyota 8315.

Borealis Watch Co. Caloura 300mvsWolbrook Skindiver WT Professional

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Borealis Watch Co.Caloura 300m

MSRP $275

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Buy from Borealis Watch Co. Used on eBay

Wolbrook Skindiver WT Professional

Ref. 23-SWP-001-NYB-BLK·MSRP $476

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Buy from Wolbrook Used on eBay

The measurements

Sized up.

Catalogue photos are all shot at the same flattering size. These aren't: every case below shares one millimetre scale.

Caloura 300m

Skindiver WT Professional

Diameter

Across the case, crown excluded.

42mm

40mm

Lug-to-Lug

The number that decides fit.

44.2mm

n/a

Thickness

How it sits under a cuff.

13.9mm

13mm

lowest

Water Resistance

Rated in metres, not marketing.

300m

highest

120m

MSRP

Sticker price, new.

$275

lowest

$476

Movement

What drives the hands.

Seiko NH35

Miyota 8315

Spec

Caloura 300m

Skindiver WT Professional

Case

6 specs

Diameter

42mm

40mm

Thickness

13.9mm

13mm

Lug-to-Lug

44.2mm

n/a

Lug Width

22mm

20mm

Material

Stainless Steel

Titanium

Water Resistance

300m

120m

Crystal & Dial

3 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

n/a

Black

Lume

BGW9

None

Movement

1 specs

Caliber

Seiko NH35

Miyota 8315

Pricing

1 specs

MSRP

$275

$476

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Case

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Movement

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