Which is cheaper, the Borealis Watch Co. Caloura 300m or the Seiko Prospex SPEEDTIMER?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $725 for the Seiko Prospex SPEEDTIMER — a $450 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Seiko Prospex SPEEDTIMER?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 39mm for the Seiko Prospex SPEEDTIMER — a 3mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Caloura 300m or the Seiko Prospex SPEEDTIMER?

The Borealis Watch Co. Caloura 300m is rated to 300m versus 10m for the Seiko Prospex SPEEDTIMER.

What movement does the Borealis Watch Co. Caloura 300m run compared to the Seiko Prospex SPEEDTIMER?

The Borealis Watch Co. Caloura 300m runs a automatic caliber (NH35), while the Seiko Prospex SPEEDTIMER runs a quartz (V192).

Side by side

Borealis Watch Co. Caloura 300mvsSeiko Prospex SPEEDTIMER

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 Prospex SPEEDTIMER

ssc813

MSRP $725

At a glance

12 of 29 specs differ

Diameter

Caloura 300m42mm

Prospex SPEEDTIMER39mm

Power Reserve

Caloura 300m40h

Prospex SPEEDTIMER40h

Water Resistance

Caloura 300m300m

Prospex SPEEDTIMER100m

MSRP

Caloura 300m$275

Prospex SPEEDTIMER$725

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

BGW9

LumiBrite on hands and index(es)

Movement

2 specs

Caliber

NH35

V192

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$275

$725

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