Which is cheaper, the Hamilton Khaki Aviation Air Race Auto or the Hemel Sky Racer Mechanical?

At MSRP the Hemel Sky Racer Mechanical 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 Hemel Sky Racer Mechanical?

The Hemel Sky Racer Mechanical wears larger at 43mm versus 38mm for the Hamilton Khaki Aviation Air Race Auto — a 5mm difference across the dial.

Which has a longer power reserve, the Hamilton Khaki Aviation Air Race Auto or the Hemel Sky Racer Mechanical?

The Hamilton Khaki Aviation Air Race Auto carries a 80-hour power reserve against 40 hours on the Hemel Sky Racer Mechanical.

What movement does the Hamilton Khaki Aviation Air Race Auto run compared to the Hemel Sky Racer Mechanical?

The Hamilton Khaki Aviation Air Race Auto runs a automatic caliber (H-10), while the Hemel Sky Racer Mechanical runs a manual (Seagull ST19).

Side by side

Hamilton Khaki Aviation Air Race AutovsHemel Sky Racer Mechanical

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

Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

At a glance

11 of 29 specs differ

Diameter

Khaki Aviation Air Race Auto38mm

Sky Racer Mechanical43mm

Power Reserve

Khaki Aviation Air Race Auto80h

Sky Racer Mechanical40h

Water Resistance

Khaki Aviation Air Race Auto50m

Sky Racer Mechanical50m

MSRP

Khaki Aviation Air Race Auto$845

Sky Racer Mechanical$550

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Crystal

Sapphire

Domed Sapphire

Movement

3 specs

Caliber

H-10

Seagull ST19

Type

Automatic

Manual

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$845

$550

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