Which is cheaper, the Borealis Watch Co. Caloura 300m or the Borealis Watch Co. Estoril 300 GMT?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $600 for the Borealis Watch Co. Estoril 300 GMT — a $325 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Borealis Watch Co. Estoril 300 GMT?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 41.50mm for the Borealis Watch Co. Estoril 300 GMT — a 0.5mm difference across the dial.

What movement does the Borealis Watch Co. Caloura 300m run compared to the Borealis Watch Co. Estoril 300 GMT?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Borealis Watch Co. Estoril 300 GMT uses the Miyota 9075.

Side by side

Borealis Watch Co. Caloura 300mvsBorealis Watch Co. Estoril 300 GMT

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

Borealis Watch Co.Estoril 300 GMT

borealis-estoril-300-gmt-black-dial-arabic-numbers-black-red-bezel-date-version-k

MSRP $600

At a glance

6 of 29 specs differ

Diameter

Caloura 300m42mm

Estoril 300 GMT41.50mm

Power Reserve

Caloura 300m40h

Estoril 300 GMT40h

Water Resistance

Caloura 300m300m

Estoril 300 GMT300m

MSRP

Caloura 300m$275

Estoril 300 GMT$600

Full specifications

Case

4 specs

Diameter

42mm

41.50mm

Thickness

13.9mm

13.5mm

Lug-to-Lug

44.20mm

47mm

Lug Width

22mm

20mm

Movement

1 specs

Caliber

NH35

Miyota 9075

Pricing

1 specs

MSRP

$275

$600

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