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

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $1,025 for the Tissot Gentleman Open Heart — a $750 gap before any retailer discounting.

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

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 40mm for the Tissot Gentleman Open Heart — a 2mm difference across the dial.

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

The Borealis Watch Co. Caloura 300m is rated to 300m versus 100m for the Tissot Gentleman Open Heart.

Which has a longer power reserve, the Borealis Watch Co. Caloura 300m or the Tissot Gentleman Open Heart?

The Tissot Gentleman Open Heart carries a 80-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 Tissot Gentleman Open Heart?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Tissot Gentleman Open Heart uses the 11 1/2'''.

Side by side

Borealis Watch Co. Caloura 300mvsTissot Gentleman 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

Tissot Gentleman Open Heart

t1274071103101

MSRP $1,025

At a glance

14 of 29 specs differ

Diameter

Caloura 300m42mm

Gentleman Open Heart40mm

Power Reserve

Caloura 300m40h

Gentleman Open Heart80h

Water Resistance

Caloura 300m300m

Gentleman Open Heart100m

MSRP

Caloura 300m$275

Gentleman Open Heart$1,025

Full specifications

Case

6 specs

Crystal & Dial

5 specs

Crystal Shape

Flat

Domed

AR Coating

Inner

Yes

Dial Color

Black

Silver

Indices

Applied

Indexes

Lume

BGW9

Super-LumiNova ®

Movement

2 specs

Caliber

NH35

11 1/2'''

Power Reserve

40h

80h

Pricing

1 specs

MSRP

$275

$1,025

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