Borealis Watch Co. Caloura 300mvsSpinnaker Bradner Pearl Diver

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Caloura 300m
Borealis Watch Co.Caloura 300m

MSRP $275

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Bradner Pearl Diver
SpinnakerBradner Pearl Diver

MSRP $370

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Buy from Spinnaker Used on eBay

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Measurements

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

Borealis Watch Co. Caloura 300m at true scale

Caloura 300m

Spinnaker Bradner Pearl Diver at true scale

Bradner Pearl Diver

Diameter

42mm

42mm

Lug-to-Lug

44.2mm

lowest

50mm

Thickness

13.9mm

lowest

15mm

Water Resistance

300m

highest

180m

MSRP

$275

lowest

$370

Movement

Seiko NH35

Seiko NH35

Case

4 specs
Thickness
13.9mm
15mm
Lug-to-Lug
44.2mm
50mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
180m

Crystal & Dial

2 specs
Dial Color
n/a
Emerald
Lume
BGW9
None

Pricing

1 specs
MSRP
$275
$370
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