What movement does the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono run compared to the Lum-Tec B64 Chronograph?

The Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono runs a manual caliber (H-51-Si), while the Lum-Tec B64 Chronograph runs a automatic.

Side by side

Hamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsLum-Tec B64 Chronograph

Q: Which is cheaper, the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono or the Lum-Tec B64 Chronograph?

At MSRP the Lum-Tec B64 Chronograph is the cheaper of the two at $545, against $2,445 for the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono — a $1,900 gap before any retailer discounting.

Q: Which is bigger, the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono or the Lum-Tec B64 Chronograph?

The Lum-Tec B64 Chronograph wears larger at 44mm versus 40mm for the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono — a 4mm difference across the dial.

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

Lum-Tec B64 Chronograph

b64-chronograph

MSRP $545

At a glance

11 of 29 specs differ

Diameter

Khaki Aviation Pilot Pioneer Mechanical Chrono40mm

B64 Chronograph44mm

Power Reserve

Khaki Aviation Pilot Pioneer Mechanical Chrono60h

B64 Chronograph40h

Water Resistance

Khaki Aviation Pilot Pioneer Mechanical Chrono100m

B64 Chronograph100m

MSRP

Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445

B64 Chronograph$545

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Blue

Standard

Movement

3 specs

Caliber

H-51-Si

—

Type

Manual

Automatic

Power Reserve

60h

40h

Pricing

1 specs

MSRP

$2,445

$545

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