Which is cheaper, the Borealis Watch Co. Caloura 300m or the Orient Bambino Open Heart?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $315 for the Orient Bambino Open Heart — a $40 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Orient Bambino Open Heart?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 40.5mm for the Orient Bambino Open Heart — a 1.5mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Caloura 300m or the Orient Bambino Open Heart?

The Borealis Watch Co. Caloura 300m is rated to 300m versus 30m for the Orient Bambino Open Heart.

What movement does the Borealis Watch Co. Caloura 300m run compared to the Orient Bambino Open Heart?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Orient Bambino Open Heart uses the FT622.

Side by side

Borealis Watch Co. Caloura 300mvsOrient Bambino Open Heart

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

Orient Bambino Open Heart

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MSRP $315

At a glance

17 of 29 specs differ

Diameter

Caloura 300m42mm

Bambino Open Heart40.5mm

Power Reserve

Caloura 300m40h

Bambino Open Heart40h

Water Resistance

Caloura 300m300m

Bambino Open Heart30m

MSRP

Caloura 300m$275

Bambino Open Heart$315

Full specifications

Case

7 specs

Crystal & Dial

6 specs

Crystal

Sapphire

Mineral

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

Black

White

Indices

Applied

—

Lume

BGW9

None

Movement

3 specs

Caliber

NH35

FT622

Beat Rate

28,800 vph

21,600 vph

Jewels

Pricing

1 specs

MSRP

$275

$315

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