Which is cheaper, the AVI-8 Flyboy Airmaster GMT Automatic or the Lum-Tec B64 Chronograph?

At MSRP the AVI-8 Flyboy Airmaster GMT Automatic is the cheaper of the two at $365, against $545 for the Lum-Tec B64 Chronograph — a $180 gap before any retailer discounting.

Which is bigger, the AVI-8 Flyboy Airmaster GMT Automatic or the Lum-Tec B64 Chronograph?

The Lum-Tec B64 Chronograph wears larger at 44mm versus 40mm for the AVI-8 Flyboy Airmaster GMT Automatic — a 4mm difference across the dial.

Which has better water resistance, the AVI-8 Flyboy Airmaster GMT Automatic or the Lum-Tec B64 Chronograph?

The Lum-Tec B64 Chronograph is rated to 100m versus 50m for the AVI-8 Flyboy Airmaster GMT Automatic.

Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsLum-Tec B64 Chronograph

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

Lum-Tec B64 Chronograph

b64-chronograph

MSRP $545

At a glance

10 of 29 specs differ

Diameter

Flyboy Airmaster GMT Automatic40mm

B64 Chronograph44mm

Power Reserve

Flyboy Airmaster GMT Automatic40h

B64 Chronograph40h

Water Resistance

Flyboy Airmaster GMT Automatic50m

B64 Chronograph100m

MSRP

Flyboy Airmaster GMT Automatic$365

B64 Chronograph$545

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Black

Standard

Movement

1 specs

Caliber

NH34

—

Pricing

1 specs

MSRP

$365

$545

Follow this matchup

Get a note when AVI-8 Flyboy Airmaster GMT Automatic vs Lum-Tec B64 Chronograph gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring