Which is cheaper, the AVI-8 Flyboy Airmaster GMT Automatic or the William Wood International Association of Fire?

At MSRP the AVI-8 Flyboy Airmaster GMT Automatic is the cheaper of the two at $365, against $820 for the William Wood International Association of Fire — a $455 gap before any retailer discounting.

Which is bigger, the AVI-8 Flyboy Airmaster GMT Automatic or the William Wood International Association of Fire?

The William Wood International Association of Fire wears larger at 41mm versus 40mm for the AVI-8 Flyboy Airmaster GMT Automatic — a 1mm difference across the dial.

Which has better water resistance, the AVI-8 Flyboy Airmaster GMT Automatic or the William Wood International Association of Fire?

The William Wood International Association of Fire is rated to 100m versus 50m for the AVI-8 Flyboy Airmaster GMT Automatic.

What movement does the AVI-8 Flyboy Airmaster GMT Automatic run compared to the William Wood International Association of Fire?

Both watches run automatic movements — the AVI-8 Flyboy Airmaster GMT Automatic uses the NH34 and the William Wood International Association of Fire uses the Seiko NH35.

Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsWilliam Wood International Association of Fire

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

AVI-8 Flyboy Airmaster GMT Automatic

flyboy-airmaster-gmt-automatic-engine-black-av-4128-01

MSRP $365

William Wood International Association of Fire

william-wood-iafc

MSRP $820

At a glance

10 of 29 specs differ

Diameter

Flyboy Airmaster GMT Automatic40mm

International Association of Fire41mm

Power Reserve

Flyboy Airmaster GMT Automatic40h

International Association of Fire40h

Water Resistance

Flyboy Airmaster GMT Automatic50m

International Association of Fire100m

MSRP

Flyboy Airmaster GMT Automatic$365

International Association of Fire$820

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Black

Standard

Movement

1 specs

Caliber

NH34

Seiko NH35

Pricing

1 specs

MSRP

$365

$820

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