Side by side

Borealis Watch Co. Caloura 300mvsSpinnaker Dumas GMT

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

Caloura 300m
Borealis Watch Co.Caloura 300m
MSRP $275
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

10 of 29 specs differ
Diameter
Caloura 300m42mm
Dumas GMT44mm
Power Reserve
Caloura 300m40h
Dumas GMT40h
Water Resistance
Caloura 300m300m
Dumas GMT300m
MSRP
Caloura 300m$275
Dumas GMT$399

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
42mm
44mm
Thickness
13.9mm
15mm
Lug-to-Lug
44.20mm
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
NH35
Seiko NH34A

Pricing

1 specs
MSRP
$275
$399

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