Which is cheaper, the Borealis Watch Co. Caloura 300m or the Hamilton Khaki Aviation Takeoff Auto Chrono?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $3,575 for the Hamilton Khaki Aviation Takeoff Auto Chrono — a $3,300 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Hamilton Khaki Aviation Takeoff Auto Chrono?

The Hamilton Khaki Aviation Takeoff Auto Chrono wears larger at 46mm versus 42mm for the Borealis Watch Co. Caloura 300m — a 4mm difference across the dial.

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

The Borealis Watch Co. Caloura 300m is rated to 300m versus 50m for the Hamilton Khaki Aviation Takeoff Auto Chrono.

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

The Hamilton Khaki Aviation Takeoff Auto 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 Takeoff Auto Chrono?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Hamilton Khaki Aviation Takeoff Auto Chrono uses the H-31.

Side by side

Borealis Watch Co. Caloura 300mvsHamilton Khaki Aviation Takeoff Auto 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 Takeoff Auto Chrono

h76786733

MSRP $3,575

At a glance

10 of 29 specs differ

Diameter

Caloura 300m42mm

Khaki Aviation Takeoff Auto Chrono46mm

Power Reserve

Caloura 300m40h

Khaki Aviation Takeoff Auto Chrono60h

Water Resistance

Caloura 300m300m

Khaki Aviation Takeoff Auto Chrono50m

MSRP

Caloura 300m$275

Khaki Aviation Takeoff Auto Chrono$3,575

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Lume

BGW9

None

Movement

2 specs

Caliber

NH35

H-31

Power Reserve

40h

60h

Pricing

1 specs

MSRP

$275

$3,575

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