Which is cheaper, the Borealis Watch Co. Caloura 300m or the Hemel Sky Racer Mechanical?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $550 for the Hemel Sky Racer Mechanical — a $275 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Hemel Sky Racer Mechanical?

The Hemel Sky Racer Mechanical wears larger at 43mm versus 42mm for the Borealis Watch Co. Caloura 300m — a 1mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Caloura 300m or the Hemel Sky Racer Mechanical?

The Borealis Watch Co. Caloura 300m is rated to 300m versus 50m for the Hemel Sky Racer Mechanical.

What movement does the Borealis Watch Co. Caloura 300m run compared to the Hemel Sky Racer Mechanical?

The Borealis Watch Co. Caloura 300m runs a automatic caliber (NH35), while the Hemel Sky Racer Mechanical runs a manual (Seagull ST19).

Side by side

Borealis Watch Co. Caloura 300mvsHemel Sky Racer Mechanical

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

Borealis Watch Co.Caloura 300m

borealis-caloura-diver-watch

MSRP $275

Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

At a glance

12 of 29 specs differ

Diameter

Caloura 300m42mm

Sky Racer Mechanical43mm

Power Reserve

Caloura 300m40h

Sky Racer Mechanical40h

Water Resistance

Caloura 300m300m

Sky Racer Mechanical50m

MSRP

Caloura 300m$275

Sky Racer Mechanical$550

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Lume

BGW9

None

Movement

2 specs

Caliber

NH35

Seagull ST19

Type

Automatic

Manual

Pricing

1 specs

MSRP

$275

$550

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