Which is cheaper, the Borealis Watch Co. Caloura 300m or the Seestern S443 Column Wheel Chronograph?

At MSRP the Seestern S443 Column Wheel Chronograph is the cheaper of the two at $10, against $275 for the Borealis Watch Co. Caloura 300m — a $265 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Seestern S443 Column Wheel Chronograph?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 40mm for the Seestern S443 Column Wheel Chronograph — a 2mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Caloura 300m or the Seestern S443 Column Wheel Chronograph?

The Borealis Watch Co. Caloura 300m is rated to 300m versus 50m for the Seestern S443 Column Wheel Chronograph.

Which has a longer power reserve, the Borealis Watch Co. Caloura 300m or the Seestern S443 Column Wheel Chronograph?

The Seestern S443 Column Wheel Chronograph carries a 45h-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 Seestern S443 Column Wheel Chronograph?

The Borealis Watch Co. Caloura 300m runs a automatic caliber (NH35), while the Seestern S443 Column Wheel Chronograph runs a manual (Seagull ST1901).

Side by side

Borealis Watch Co. Caloura 300mvsSeestern S443 Column Wheel Chronograph

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

Seestern S443 Column Wheel Chronograph

S443.P

MSRP $10

At a glance

17 of 29 specs differ

Diameter

Caloura 300m42mm

S443 Column Wheel Chronograph40mm

Power Reserve

Caloura 300m40h

S443 Column Wheel Chronograph45hh

Water Resistance

Caloura 300m300m

S443 Column Wheel Chronograph50m

MSRP

Caloura 300m$275

S443 Column Wheel Chronograph$10

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Dial Color

Black

Pink

Indices

Applied

Lume

BGW9

Super BGW9

Movement

6 specs

Caliber

NH35

Seagull ST1901

Type

Automatic

Manual

Beat Rate

28,800 vph

3 vph

Power Reserve

40h

45hh

Jewels

Complications

None

Chronograph, Column Wheel

Pricing

1 specs

MSRP

$275

$10

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