Borealis Watch Co. JamantavsSpinnaker Dumas Automatic

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Jamanta
Borealis Watch Co.Jamanta

MSRP $415

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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. Jamanta at true scale

Jamanta

Spinnaker Dumas Automatic at true scale

Dumas Automatic

Diameter

42.5mm

44mm

Lug-to-Lug

50.4mm

48mm

lowest

Thickness

13.3mm

lowest

15mm

Water Resistance

300m

300m

MSRP

$415

$239

lowest

Movement

Miyota 9015

Seiko NH35

Case

4 specs
Diameter
42.5mm
44mm
Thickness
13.3mm
15mm
Lug-to-Lug
50.4mm
48mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Dial Color
n/a
Blue
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9015
Seiko NH35

Pricing

1 specs
MSRP
$415
$239
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