Which is cheaper, the Borealis Watch Co. Caloura 300m or the Seestern S424 Full Lume Pilot?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $299 for the Seestern S424 Full Lume Pilot — a $24 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Seestern S424 Full Lume Pilot?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 38mm for the Seestern S424 Full Lume Pilot — a 4mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Caloura 300m or the Seestern S424 Full Lume Pilot?

The Borealis Watch Co. Caloura 300m is rated to 300m versus 50m for the Seestern S424 Full Lume Pilot.

Which has a longer power reserve, the Borealis Watch Co. Caloura 300m or the Seestern S424 Full Lume Pilot?

The Seestern S424 Full Lume Pilot carries a 41-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 S424 Full Lume Pilot?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Seestern S424 Full Lume Pilot uses the Seiko NH35A.

Side by side

Borealis Watch Co. Caloura 300mvsSeestern S424 Full Lume Pilot

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 S424 Full Lume Pilot

S424 V1

MSRP $299

At a glance

14 of 29 specs differ

Diameter

Caloura 300m42mm

S424 Full Lume Pilot38mm

Power Reserve

Caloura 300m40h

S424 Full Lume Pilot41h

Water Resistance

Caloura 300m300m

S424 Full Lume Pilot50m

MSRP

Caloura 300m$275

S424 Full Lume Pilot$299

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Lume

BGW9

Full lume

Movement

5 specs

Caliber

NH35

Seiko NH35A

Beat Rate

28,800 vph

21,600 vph

Power Reserve

40h

41h

Jewels

Complications

None

GMT

Pricing

1 specs

MSRP

$275

$299

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