What movement does the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono run compared to the Praesidus Neptune 44?

The Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono runs a manual caliber (H-51-Si), while the Praesidus Neptune 44 runs a automatic (Miyota 9039).

Side by side

Hamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsPraesidus Neptune 44

Q: Which is cheaper, the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono or the Praesidus Neptune 44?

At MSRP the Praesidus Neptune 44 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.

Q: Which is bigger, the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono or the Praesidus Neptune 44?

The Praesidus Neptune 44 wears larger at 44mm versus 40mm for the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono — a 4mm difference across the dial.

Q: Which has better water resistance, the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono or the Praesidus Neptune 44?

The Praesidus Neptune 44 is rated to 200m versus 100m for the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono.

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

Praesidus Neptune 44

neptune-44-brown

MSRP $550

At a glance

12 of 29 specs differ

Diameter

Khaki Aviation Pilot Pioneer Mechanical Chrono40mm

Neptune 4444mm

Power Reserve

Khaki Aviation Pilot Pioneer Mechanical Chrono60h

Neptune 4440h

Water Resistance

Khaki Aviation Pilot Pioneer Mechanical Chrono100m

Neptune 44200m

MSRP

Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445

Neptune 44$550

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Blue

Patina

Movement

3 specs

Caliber

H-51-Si

Miyota 9039

Type

Manual

Automatic

Power Reserve

60h

40h

Pricing

1 specs

MSRP

$2,445

$550

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