Side by side
AVI-8 Flyboy Airmaster GMT AutomaticvsHemel HD24 Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Flyboy Airmaster GMT Automatic40mm
HD24 Automatic40mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
HD24 Automatic40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
HD24 Automatic200m
MSRP
Flyboy Airmaster GMT Automatic$365
HD24 Automatic$300
Full specifications
Case
5 specsCategory
GMT
Diver
Thickness
—
13mm
Lug-to-Lug
—
48mm
Lug Width
—
20mm
Water Resistance
50m
200m
Crystal & Dial
2 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Black
Gallant USAF Edition
Movement
1 specsCaliber
NH34
Seiko NH38A
Pricing
1 specsMSRP
$365
$300
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