Which is cheaper, the Borealis Watch Co. Caloura 300m or the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $2,445 for the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono — a $2,170 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 40mm for the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono — a 2mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Caloura 300m or the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono?

The Borealis Watch Co. Caloura 300m is rated to 300m versus 100m for the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono.

Which has a longer power reserve, the Borealis Watch Co. Caloura 300m or the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono?

The Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono carries a 60-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 Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono?

The Borealis Watch Co. Caloura 300m runs a automatic caliber (NH35), while the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono runs a manual (H-51-Si).

Side by side

Borealis Watch Co. Caloura 300mvsHamilton Khaki Aviation Pilot Pioneer Mechanical Chrono

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

Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono

h76409140

MSRP $2,445

At a glance

12 of 29 specs differ

Diameter

Caloura 300m42mm

Khaki Aviation Pilot Pioneer Mechanical Chrono40mm

Power Reserve

Caloura 300m40h

Khaki Aviation Pilot Pioneer Mechanical Chrono60h

Water Resistance

Caloura 300m300m

Khaki Aviation Pilot Pioneer Mechanical Chrono100m

MSRP

Caloura 300m$275

Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

Black

Blue

Lume

BGW9

None

Movement

3 specs

Caliber

NH35

H-51-Si

Type

Automatic

Manual

Power Reserve

40h

60h

Pricing

1 specs

MSRP

$275

$2,445

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