Side by side

Borealis Watch Co. JamantavsSpinnaker Dumas Automatic

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Jamanta
Borealis Watch Co.Jamanta
MSRP $415
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

9 of 29 specs differ
Diameter
Jamanta42.50mm
Dumas Automatic44mm
Power Reserve
Jamanta40h
Dumas Automatic40h
Water Resistance
Jamanta300m
Dumas Automatic300m
MSRP
Jamanta$415
Dumas Automatic$239

Full specifications

Case

5 specs
Diameter
42.50mm
44mm
Thickness
13.30mm
15mm
Lug-to-Lug
50.40mm
48mm
Lug Width
22mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9015
SII NH35A

Pricing

1 specs
MSRP
$415
$239

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