Which is cheaper, the Borealis Watch Co. Caloura 300m or the Longines ULTRA-CHRON CLASSIC?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $4,000 for the Longines ULTRA-CHRON CLASSIC — a $3,725 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Longines ULTRA-CHRON CLASSIC?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 40mm for the Longines ULTRA-CHRON CLASSIC — a 2mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Caloura 300m or the Longines ULTRA-CHRON CLASSIC?

The Borealis Watch Co. Caloura 300m is rated to 300m versus 30m for the Longines ULTRA-CHRON CLASSIC.

Which has a longer power reserve, the Borealis Watch Co. Caloura 300m or the Longines ULTRA-CHRON CLASSIC?

The Longines ULTRA-CHRON CLASSIC carries a 72-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 Longines ULTRA-CHRON CLASSIC?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Longines ULTRA-CHRON CLASSIC uses the L836.6.

Side by side

Borealis Watch Co. Caloura 300mvsLongines ULTRA-CHRON CLASSIC

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

Longines ULTRA-CHRON CLASSIC

L2.937.4.72.6

MSRP $4,000

At a glance

21 of 29 specs differ

Diameter

Caloura 300m42mm

ULTRA-CHRON CLASSIC40mm

Power Reserve

Caloura 300m40h

ULTRA-CHRON CLASSIC72h

Water Resistance

Caloura 300m300m

ULTRA-CHRON CLASSIC30m

MSRP

Caloura 300m$275

ULTRA-CHRON CLASSIC$4,000

Full specifications

Case

8 specs

Crystal & Dial

5 specs

Crystal Shape

Flat

—

AR Coating

Inner

Both sides

Dial Color

Black

Silver

Indices

Applied

Applied indexes

Lume

BGW9

Super-LumiNova

Movement

7 specs

Caliber

NH35

L836.6

Beat Rate

28,800 vph

25,200 vph

Power Reserve

40h

72h

Jewels

Hacking

Yes

Hand-winding

Yes

Complications

None

Hours, minutes, seconds, moon phase display and date indicated by small hand at

Pricing

1 specs

MSRP

$275

$4,000

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