Which is cheaper, the Hamilton Khaki Aviation Day Date Auto or the Orient RA-AK03 Version 5 Classic Watch?

At MSRP the Orient RA-AK03 Version 5 Classic Watch is the cheaper of the two at $420, against $1,125 for the Hamilton Khaki Aviation Day Date Auto — a $705 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Aviation Day Date Auto or the Orient RA-AK03 Version 5 Classic Watch?

The Hamilton Khaki Aviation Day Date Auto wears larger at 42mm versus 41.5mm for the Orient RA-AK03 Version 5 Classic Watch — a 0.5mm difference across the dial.

Which has better water resistance, the Hamilton Khaki Aviation Day Date Auto or the Orient RA-AK03 Version 5 Classic Watch?

The Hamilton Khaki Aviation Day Date Auto is rated to 100m versus 50m for the Orient RA-AK03 Version 5 Classic Watch.

Which has a longer power reserve, the Hamilton Khaki Aviation Day Date Auto or the Orient RA-AK03 Version 5 Classic Watch?

The Hamilton Khaki Aviation Day Date Auto carries a 80-hour power reserve against 40 hours on the Orient RA-AK03 Version 5 Classic Watch.

What movement does the Hamilton Khaki Aviation Day Date Auto run compared to the Orient RA-AK03 Version 5 Classic Watch?

Both watches run automatic movements — the Hamilton Khaki Aviation Day Date Auto uses the H-40 and the Orient RA-AK03 Version 5 Classic Watch uses the F6B24.

Side by side

Hamilton Khaki Aviation Day Date AutovsOrient RA-AK03 Version 5 Classic Watch

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

Orient RA-AK03 Version 5 Classic Watch

ra-ak0306s30b

MSRP $420

At a glance

14 of 29 specs differ

Diameter

Khaki Aviation Day Date Auto42mm

RA-AK03 Version 5 Classic Watch41.5mm

Power Reserve

Khaki Aviation Day Date Auto80h

RA-AK03 Version 5 Classic Watch40h

Water Resistance

Khaki Aviation Day Date Auto100m

RA-AK03 Version 5 Classic Watch50m

MSRP

Khaki Aviation Day Date Auto$1,125

RA-AK03 Version 5 Classic Watch$420

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

Black

White

Movement

5 specs

Caliber

H-40

F6B24

Beat Rate

28,800 vph

21,600 vph

Power Reserve

80h

40h

Jewels

Complications

None

GMT, Day-date

Pricing

1 specs

MSRP

$1,125

$420

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