Side by side
AVI-8 Flyboy Airmaster GMT AutomaticvsOak & Oscar The Humboldt GMT Titanium
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Flyboy Airmaster GMT Automatic40mm
The Humboldt GMT Titanium39.5mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
The Humboldt GMT Titanium56 hoursh
Water Resistance
Flyboy Airmaster GMT Automatic50m
The Humboldt GMT Titanium200m
MSRP
Flyboy Airmaster GMT Automatic$365
The Humboldt GMT Titanium$2,950
Full specifications
Case
7 specsDiameter
40mm
39.5mm
Thickness
—
12.5mm
Lug-to-Lug
—
46.8mm
Lug Width
—
20mm
Material
316L Stainless Steel
Grade 5 Titanium
Water Resistance
50m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
4 specsCrystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Dial Color
Black
Green
Lume
None
Super-LumiNova
Movement
3 specsCaliber
NH34
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56 hoursh
Pricing
1 specsMSRP
$365
$2,950
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