Which is cheaper, the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono or the Hemel Sky Racer Mechanical?

At MSRP the Hemel Sky Racer Mechanical is the cheaper of the two at $550, against $2,445 for the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono — a $1,895 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono or the Hemel Sky Racer Mechanical?

The Hemel Sky Racer Mechanical wears larger at 43mm versus 40mm for the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono — a 3mm difference across the dial.

What movement does the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono run compared to the Hemel Sky Racer Mechanical?

Both watches run manual movements — the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono uses the H-51-Si and the Hemel Sky Racer Mechanical uses the Seagull ST19.

Side by side

Hamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsHemel Sky Racer Mechanical

Q: Which has better water resistance, the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono or the Hemel Sky Racer Mechanical?

The Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono is rated to 100m versus 50m for the Hemel Sky Racer Mechanical.

Q: Which has a longer power reserve, the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono or the Hemel Sky Racer Mechanical?

The Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono carries a 60-hour power reserve against 40 hours on the Hemel Sky Racer Mechanical.

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

Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono

h76409140

MSRP $2,445

Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

At a glance

12 of 29 specs differ

Diameter

Khaki Aviation Pilot Pioneer Mechanical Chrono40mm

Sky Racer Mechanical43mm

Power Reserve

Khaki Aviation Pilot Pioneer Mechanical Chrono60h

Sky Racer Mechanical40h

Water Resistance

Khaki Aviation Pilot Pioneer Mechanical Chrono100m

Sky Racer Mechanical50m

MSRP

Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445

Sky Racer Mechanical$550

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Blue

Black

Movement

2 specs

Caliber

H-51-Si

Seagull ST19

Power Reserve

60h

40h

Pricing

1 specs

MSRP

$2,445

$550

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