Which is cheaper, the Borealis Watch Co. Caloura 300m or the Borealis Watch Co. Sea Storm MK2 GMT?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $415 for the Borealis Watch Co. Sea Storm MK2 GMT — a $140 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Borealis Watch Co. Sea Storm MK2 GMT?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 41.50mm for the Borealis Watch Co. Sea Storm MK2 GMT — a 0.5mm difference across the dial.

What movement does the Borealis Watch Co. Caloura 300m run compared to the Borealis Watch Co. Sea Storm MK2 GMT?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Borealis Watch Co. Sea Storm MK2 GMT uses the NH34.

Side by side

Borealis Watch Co. Caloura 300mvsBorealis Watch Co. Sea Storm MK2 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.Sea Storm MK2 GMT

borealis-sea-storm-mk2-gmt-version-aa

MSRP $415

At a glance

6 of 29 specs differ

Diameter

Caloura 300m42mm

Sea Storm MK2 GMT41.50mm

Power Reserve

Caloura 300m40h

Sea Storm MK2 GMT40h

Water Resistance

Caloura 300m300m

Sea Storm MK2 GMT300m

MSRP

Caloura 300m$275

Sea Storm MK2 GMT$415

Full specifications

Case

4 specs

Diameter

42mm

41.50mm

Thickness

13.9mm

14.15mm

Lug-to-Lug

44.20mm

48.50mm

Lug Width

22mm

20mm

Movement

1 specs

Caliber

NH35

NH34

Pricing

1 specs

MSRP

$275

$415

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