Which is cheaper, the Borealis Watch Co. Caloura 300m or the Seiko Presage Classic Series?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $950 for the Seiko Presage Classic Series — a $675 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Seiko Presage Classic Series?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 36mm for the Seiko Presage Classic Series — a 6mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Caloura 300m or the Seiko Presage Classic Series?

The Borealis Watch Co. Caloura 300m is rated to 300m versus 10m for the Seiko Presage Classic Series.

Which has a longer power reserve, the Borealis Watch Co. Caloura 300m or the Seiko Presage Classic Series?

The Seiko Presage Classic Series carries a 72-hour power reserve against 40 hours on the Borealis Watch Co. Caloura 300m.

What movement does the Borealis Watch Co. Caloura 300m run compared to the Seiko Presage Classic Series?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Seiko Presage Classic Series uses the 6R51.

Side by side

Borealis Watch Co. Caloura 300mvsSeiko Presage Classic Series

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

Seiko Presage Classic Series

spb521j1

MSRP $950

At a glance

13 of 29 specs differ

Diameter

Caloura 300m42mm

Presage Classic Series36mm

Power Reserve

Caloura 300m40h

Presage Classic Series72h

Water Resistance

Caloura 300m300m

Presage Classic Series100m

MSRP

Caloura 300m$275

Presage Classic Series$950

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

BGW9

None

Movement

3 specs

Caliber

NH35

6R51

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$275

$950

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