Borealis Watch Co. Caloura 300mvsSpinnaker Dumas Automatic

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Caloura 300m
Borealis Watch Co.Caloura 300m

MSRP $275

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Dumas Automatic
SpinnakerDumas Automatic

MSRP $239

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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 Dumas Automatic at true scale

Dumas Automatic

Diameter

42mm

44mm

Lug-to-Lug

44.2mm

lowest

48mm

Thickness

13.9mm

lowest

15mm

Water Resistance

300m

300m

MSRP

$275

$239

lowest

Movement

Seiko NH35

Seiko NH35

Case

4 specs
Diameter
42mm
44mm
Thickness
13.9mm
15mm
Lug-to-Lug
44.2mm
48mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Dial Color
n/a
Blue
Lume
BGW9
None

Pricing

1 specs
MSRP
$275
$239
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