Side by side

Borealis Watch Co. Caloura 300mvsZelos Aurora Field

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
Aurora Field
ZelosAurora Field
MSRP $529

At a glance

11 of 29 specs differ
Diameter
Caloura 300m42mm
Aurora Field42mm
Power Reserve
Caloura 300m40h
Aurora Field40h
Water Resistance
Caloura 300m300m
Aurora Field200m
MSRP
Caloura 300m$275
Aurora Field$529

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
42mm
42mm
Thickness
13.9mm
12.2mm
Lug-to-Lug
44.20mm
42mm
Lug Width
22mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Black
Bronze
Lume
BGW9
None

Movement

1 specs
Caliber
NH35
Miyota 9039

Pricing

1 specs
MSRP
$275
$529

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