Side by side

Borealis Watch Co. Caloura 300mvsRZE Aspirare

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
Aspirare
RZEAspirare
MSRP $699

At a glance

12 of 29 specs differ
Diameter
Caloura 300m42mm
Aspirare44mm
Power Reserve
Caloura 300m40h
Aspirare40h
Water Resistance
Caloura 300m300m
Aspirare200m
MSRP
Caloura 300m$275
Aspirare$699

Full specifications

Case

7 specs
Diameter
42mm
44mm
Thickness
13.9mm
13mm
Lug-to-Lug
44.20mm
53mm
Lug Width
22mm
22mm
Material
Stainless Steel
Grade 5 Titanium
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
AR Coating
Inner
Underside
Dial Color
Black
White
Lume
BGW9
None

Movement

1 specs
Caliber
NH35
Miyota 9039

Pricing

1 specs
MSRP
$275
$699

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