Which is cheaper, the Hamilton Khaki Aviation Takeoff Auto Chrono or the Praesidus 42mm Automatic?

At MSRP the Praesidus 42mm Automatic is the cheaper of the two at $680, against $3,575 for the Hamilton Khaki Aviation Takeoff Auto Chrono — a $2,895 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Aviation Takeoff Auto Chrono or the Praesidus 42mm Automatic?

The Hamilton Khaki Aviation Takeoff Auto Chrono wears larger at 46mm versus 38mm for the Praesidus 42mm Automatic — a 8mm difference across the dial.

Which has better water resistance, the Hamilton Khaki Aviation Takeoff Auto Chrono or the Praesidus 42mm Automatic?

The Praesidus 42mm Automatic is rated to 100m versus 50m for the Hamilton Khaki Aviation Takeoff Auto Chrono.

Which has a longer power reserve, the Hamilton Khaki Aviation Takeoff Auto Chrono or the Praesidus 42mm Automatic?

The Hamilton Khaki Aviation Takeoff Auto Chrono carries a 60-hour power reserve against 40 hours on the Praesidus 42mm Automatic.

What movement does the Hamilton Khaki Aviation Takeoff Auto Chrono run compared to the Praesidus 42mm Automatic?

Both watches run automatic movements — the Hamilton Khaki Aviation Takeoff Auto Chrono uses the H-31 and the Praesidus 42mm Automatic uses the Seiko NH35.

Side by side

Hamilton Khaki Aviation Takeoff Auto ChronovsPraesidus 42mm Automatic

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

Hamilton Khaki Aviation Takeoff Auto Chrono

h76786733

MSRP $3,575

Praesidus 42mm Automatic

P-42-HP-GRSG

MSRP $680

At a glance

11 of 29 specs differ

Diameter

Khaki Aviation Takeoff Auto Chrono46mm

42mm Automatic38mm

Power Reserve

Khaki Aviation Takeoff Auto Chrono60h

42mm Automatic40h

Water Resistance

Khaki Aviation Takeoff Auto Chrono50m

42mm Automatic100m

MSRP

Khaki Aviation Takeoff Auto Chrono$3,575

42mm Automatic$680

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

Black

42mm Automatic

Movement

2 specs

Caliber

H-31

Seiko NH35

Power Reserve

60h

40h

Pricing

1 specs

MSRP

$3,575

$680

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