Side by side
AVI-8 Flyboy Airmaster GMT AutomaticvsSeestern S424 Full Lume Pilot
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
S424 Full Lume Pilot38mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
S424 Full Lume Pilot41h
Water Resistance
Flyboy Airmaster GMT Automatic50m
S424 Full Lume Pilot50m
MSRP
Flyboy Airmaster GMT Automatic$365
S424 Full Lume Pilot$299
Full specifications
Case
5 specsCategory
GMT
Pilot
Diameter
40mm
38mm
Thickness
—
11mm
Lug-to-Lug
—
46mm
Lug Width
—
19mm
Crystal & Dial
1 specsLume
None
Full lume
Movement
5 specsCaliber
NH34
Seiko NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Jewels
25
24
Complications
None
GMT
Pricing
1 specsMSRP
$365
$299
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