Which is cheaper, the AVI-8 Flyboy Airmaster GMT Automatic or the Sartory Billard SB04?

At MSRP the AVI-8 Flyboy Airmaster GMT Automatic is the cheaper of the two at $365, against $2,900 for the Sartory Billard SB04 — a $2,535 gap before any retailer discounting.

Which has better water resistance, the AVI-8 Flyboy Airmaster GMT Automatic or the Sartory Billard SB04?

The AVI-8 Flyboy Airmaster GMT Automatic is rated to 50m versus 30m for the Sartory Billard SB04.

What movement does the AVI-8 Flyboy Airmaster GMT Automatic run compared to the Sartory Billard SB04?

Both watches run automatic movements — the AVI-8 Flyboy Airmaster GMT Automatic uses the NH34 and the Sartory Billard SB04 uses the LJP G100.

Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsSartory Billard SB04

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

Sartory Billard SB04

MSRP $2,900

At a glance

9 of 29 specs differ

Diameter

Flyboy Airmaster GMT Automatic40mm

SB0440mm

Power Reserve

Flyboy Airmaster GMT Automatic40h

SB0440h

Water Resistance

Flyboy Airmaster GMT Automatic50m

SB0430m

MSRP

Flyboy Airmaster GMT Automatic$365

SB04$2,900

Full specifications

Case

6 specs

Crystal & Dial

1 specs

AR Coating

Inner

Yes

Movement

1 specs

Caliber

NH34

LJP G100

Pricing

1 specs

MSRP

$365

$2,900

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