Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsMonbrey T4 - Black

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

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Flyboy Airmaster GMT Automatic
AVI-8Flyboy Airmaster GMT Automatic
MSRP $365
See the full Flyboy Airmaster GMT Automatic
T4 - Black
MonbreyT4 - Black
MSRP $659
See the full T4 - Black
Buy from AVI-8 ↗
Buy used on eBay ↗
Buy from Monbrey ↗
Buy used on eBay ↗

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At a glance

10 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
T4 - Black37.5mm
Power Reserve
Flyboy Airmaster GMT Automatic—
T4 - Black—
Water Resistance
Flyboy Airmaster GMT Automatic50m
T4 - Black100m
MSRP
Flyboy Airmaster GMT Automatic$365
T4 - Black$659

Full specifications

Case

7 specs
Category
GMT
—
Diameter
40mm
37.5mm
Thickness
—
0mm
Lug-to-Lug
—
0mm
Lug Width
—
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

1 specs
Dial Color
Black
—

Movement

1 specs
Caliber
Seiko NH34
Monbrey Cal. 5621

Pricing

1 specs
MSRP
$365
$659
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