Which is cheaper, the Hamilton Khaki Aviation Day Date Auto or the Praesidus 42mm Automatic?

At MSRP the Praesidus 42mm Automatic is the cheaper of the two at $680, against $1,125 for the Hamilton Khaki Aviation Day Date Auto — a $445 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Aviation Day Date Auto or the Praesidus 42mm Automatic?

The Hamilton Khaki Aviation Day Date Auto wears larger at 42mm versus 38mm for the Praesidus 42mm Automatic — a 4mm difference across the dial.

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

The Hamilton Khaki Aviation Day Date Auto carries a 80-hour power reserve against 40 hours on the Praesidus 42mm Automatic.

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

Both watches run automatic movements — the Hamilton Khaki Aviation Day Date Auto uses the H-40 and the Praesidus 42mm Automatic uses the Seiko NH35.

Side by side

Hamilton Khaki Aviation Day Date AutovsPraesidus 42mm Automatic

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

Hamilton Khaki Aviation Day Date Auto

h64645131

MSRP $1,125

Praesidus 42mm Automatic

P-42-HP-GRSG

MSRP $680

At a glance

10 of 29 specs differ

Diameter

Khaki Aviation Day Date Auto42mm

42mm Automatic38mm

Power Reserve

Khaki Aviation Day Date Auto80h

42mm Automatic40h

Water Resistance

Khaki Aviation Day Date Auto100m

42mm Automatic100m

MSRP

Khaki Aviation Day Date Auto$1,125

42mm Automatic$680

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Dial Color

Black

42mm Automatic

Movement

2 specs

Caliber

H-40

Seiko NH35

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$1,125

$680

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