Which is cheaper, the Hamilton Khaki Aviation Air Race Auto or the Praesidus Neptune 44?

At MSRP the Praesidus Neptune 44 is the cheaper of the two at $550, against $845 for the Hamilton Khaki Aviation Air Race Auto — a $295 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Aviation Air Race Auto or the Praesidus Neptune 44?

The Praesidus Neptune 44 wears larger at 44mm versus 38mm for the Hamilton Khaki Aviation Air Race Auto — a 6mm difference across the dial.

Which has better water resistance, the Hamilton Khaki Aviation Air Race Auto or the Praesidus Neptune 44?

The Praesidus Neptune 44 is rated to 200m versus 50m for the Hamilton Khaki Aviation Air Race Auto.

Which has a longer power reserve, the Hamilton Khaki Aviation Air Race Auto or the Praesidus Neptune 44?

The Hamilton Khaki Aviation Air Race Auto carries a 80-hour power reserve against 40 hours on the Praesidus Neptune 44.

What movement does the Hamilton Khaki Aviation Air Race Auto run compared to the Praesidus Neptune 44?

Both watches run automatic movements — the Hamilton Khaki Aviation Air Race Auto uses the H-10 and the Praesidus Neptune 44 uses the Miyota 9039.

Side by side

Hamilton Khaki Aviation Air Race AutovsPraesidus Neptune 44

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Hamilton Khaki Aviation Air Race Auto

h76235731

MSRP $845

Praesidus Neptune 44

neptune-44-brown

MSRP $550

At a glance

12 of 29 specs differ

Diameter

Khaki Aviation Air Race Auto38mm

Neptune 4444mm

Power Reserve

Khaki Aviation Air Race Auto80h

Neptune 4440h

Water Resistance

Khaki Aviation Air Race Auto50m

Neptune 44200m

MSRP

Khaki Aviation Air Race Auto$845

Neptune 44$550

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Black

Patina

Movement

2 specs

Caliber

H-10

Miyota 9039

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$845

$550

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