Side by side
AVI-8 Flyboy Airmaster GMT AutomaticvsMaystone Watch Co Prosperity GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Flyboy Airmaster GMT Automatic40mm
Prosperity GMT38mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Prosperity GMT41h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Prosperity GMT100m
MSRP
Flyboy Airmaster GMT Automatic$365
Prosperity GMT$443
Full specifications
Case
7 specsCategory
GMT
—
Diameter
40mm
38mm
Thickness
—
11.9mm
Lug-to-Lug
—
46mm
Lug Width
—
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m
Crystal & Dial
2 specsDial Color
Black
Red
Lume
None
string
Movement
2 specsCaliber
NH34
Seiko NH34
Power Reserve
40h
41h
Pricing
1 specsMSRP
$365
—
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