Which is cheaper, the Borealis Watch Co. Caloura 300m or the Oak & Oscar The Olmsted Windup Edition?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $1,775 for the Oak & Oscar The Olmsted Windup Edition — a $1,500 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Oak & Oscar The Olmsted Windup Edition?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 38mm for the Oak & Oscar The Olmsted Windup Edition — a 4mm difference across the dial.

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

The Borealis Watch Co. Caloura 300m is rated to 300m versus 100m for the Oak & Oscar The Olmsted Windup Edition.

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

The Oak & Oscar The Olmsted Windup Edition carries a 50-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 Olmsted Windup Edition?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Oak & Oscar The Olmsted Windup Edition uses the Sellita SW300.

Side by side

Borealis Watch Co. Caloura 300mvsOak & Oscar The Olmsted Windup 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 Olmsted Windup Edition

OlmWindup

MSRP $1,775

At a glance

17 of 29 specs differ

Diameter

Caloura 300m42mm

The Olmsted Windup Edition38mm

Power Reserve

Caloura 300m40h

The Olmsted Windup Edition50h

Water Resistance

Caloura 300m300m

The Olmsted Windup Edition100m

MSRP

Caloura 300m$275

The Olmsted Windup Edition$1,775

Full specifications

Case

8 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Double-domed

AR Coating

Inner

Underside

Dial Color

Black

Grey

Lume

BGW9

Super-LumiNova

Movement

4 specs

Caliber

NH35

Sellita SW300

Beat Rate

28,800 vph

4 vph

Power Reserve

40h

50h

Complications

None

GMT, Chronograph, Date

Pricing

1 specs

MSRP

$275

$1,775

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