Which is cheaper, the AVI-8 Flyboy Airmaster GMT Automatic or the Hemel Sky Racer Mechanical?

At MSRP the AVI-8 Flyboy Airmaster GMT Automatic is the cheaper of the two at $365, against $550 for the Hemel Sky Racer Mechanical — a $185 gap before any retailer discounting.

Which is bigger, the AVI-8 Flyboy Airmaster GMT Automatic or the Hemel Sky Racer Mechanical?

The Hemel Sky Racer Mechanical wears larger at 43mm versus 40mm for the AVI-8 Flyboy Airmaster GMT Automatic — a 3mm difference across the dial.

What movement does the AVI-8 Flyboy Airmaster GMT Automatic run compared to the Hemel Sky Racer Mechanical?

The AVI-8 Flyboy Airmaster GMT Automatic runs a automatic caliber (NH34), while the Hemel Sky Racer Mechanical runs a manual (Seagull ST19).

Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsHemel Sky Racer Mechanical

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

Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

At a glance

9 of 29 specs differ

Diameter

Flyboy Airmaster GMT Automatic40mm

Sky Racer Mechanical43mm

Power Reserve

Flyboy Airmaster GMT Automatic40h

Sky Racer Mechanical40h

Water Resistance

Flyboy Airmaster GMT Automatic50m

Sky Racer Mechanical50m

MSRP

Flyboy Airmaster GMT Automatic$365

Sky Racer Mechanical$550

Full specifications

Case

5 specs

Crystal & Dial

1 specs

Crystal

Sapphire

Domed Sapphire

Movement

2 specs

Caliber

NH34

Seagull ST19

Type

Automatic

Manual

Pricing

1 specs

MSRP

$365

$550

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