Which is cheaper, the Borealis Watch Co. Caloura 300m or the Oak & Oscar The Humboldt GMT SAR Edition?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $2,950 for the Oak & Oscar The Humboldt GMT SAR Edition — a $2,675 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Oak & Oscar The Humboldt GMT SAR Edition?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 39.5mm for the Oak & Oscar The Humboldt GMT SAR Edition — a 2.5mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Caloura 300m or the Oak & Oscar The Humboldt GMT SAR Edition?

The Borealis Watch Co. Caloura 300m is rated to 300m versus 200m for the Oak & Oscar The Humboldt GMT SAR Edition.

Which has a longer power reserve, the Borealis Watch Co. Caloura 300m or the Oak & Oscar The Humboldt GMT SAR Edition?

The Oak & Oscar The Humboldt GMT SAR Edition carries a 56 hours-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 Oak & Oscar The Humboldt GMT SAR Edition?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Oak & Oscar The Humboldt GMT SAR Edition uses the Sellita SW330.

Side by side

Borealis Watch Co. Caloura 300mvsOak & Oscar The Humboldt GMT SAR Edition

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

Oak & Oscar The Humboldt GMT SAR Edition

HMBDLTGMTSAR

MSRP $2,950

At a glance

15 of 29 specs differ

Diameter

Caloura 300m42mm

The Humboldt GMT SAR Edition39.5mm

Power Reserve

Caloura 300m40h

The Humboldt GMT SAR Edition56 hoursh

Water Resistance

Caloura 300m300m

The Humboldt GMT SAR Edition200m

MSRP

Caloura 300m$275

The Humboldt GMT SAR Edition$2,950

Full specifications

Case

8 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Double-domed

AR Coating

Inner

Underside

Lume

BGW9

Super-LumiNova

Movement

3 specs

Caliber

NH35

Sellita SW330

Beat Rate

28,800 vph

4 vph

Power Reserve

40h

56 hoursh

Pricing

1 specs

MSRP

$275

$2,950

Follow this matchup

Get a note when Borealis Watch Co. Caloura 300m vs Oak & Oscar The Humboldt GMT SAR Edition gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring