Which is cheaper, the Hamilton Khaki Aviation Converter Auto or the William Wood International Association of Fire?

At MSRP the William Wood International Association of Fire is the cheaper of the two at $820, against $1,345 for the Hamilton Khaki Aviation Converter Auto — a $525 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Aviation Converter Auto or the William Wood International Association of Fire?

The Hamilton Khaki Aviation Converter Auto wears larger at 42mm versus 41mm for the William Wood International Association of Fire — a 1mm difference across the dial.

Which has a longer power reserve, the Hamilton Khaki Aviation Converter Auto or the William Wood International Association of Fire?

The Hamilton Khaki Aviation Converter Auto carries a 80-hour power reserve against 40 hours on the William Wood International Association of Fire.

What movement does the Hamilton Khaki Aviation Converter Auto run compared to the William Wood International Association of Fire?

Both watches run automatic movements — the Hamilton Khaki Aviation Converter Auto uses the H-10 and the William Wood International Association of Fire uses the Seiko NH35.

Side by side

Hamilton Khaki Aviation Converter AutovsWilliam Wood International Association of Fire

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

Hamilton Khaki Aviation Converter Auto

h76615130

MSRP $1,345

William Wood International Association of Fire

william-wood-iafc

MSRP $820

At a glance

10 of 29 specs differ

Diameter

Khaki Aviation Converter Auto42mm

International Association of Fire41mm

Power Reserve

Khaki Aviation Converter Auto80h

International Association of Fire40h

Water Resistance

Khaki Aviation Converter Auto100m

International Association of Fire100m

MSRP

Khaki Aviation Converter Auto$1,345

International Association of Fire$820

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Black

Standard

Movement

2 specs

Caliber

H-10

Seiko NH35

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$1,345

$820

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