Side by side
Glycine Airman No. 1 GMTvsOak & Oscar The Humboldt Seven Year
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
Airman No. 1 GMT36mm
The Humboldt Seven Year39.5mm
Power Reserve
Airman No. 1 GMT48h
The Humboldt Seven Year42h
Water Resistance
Airman No. 1 GMT30m
The Humboldt Seven Year200m
MSRP
Airman No. 1 GMT$2,800
The Humboldt Seven Year$2,400
Full specifications
Case
8 specsCategory
GMT
Tool
Diameter
36mm
39.5mm
Thickness
11.6mm
12.4mm
Lug-to-Lug
—
46.8mm
Material
Stainless Steel
316L Stainless Steel + Brass
Finish
—
Brushed and polished
Water Resistance
30m
200m
Caseback
—
Solid
Crystal & Dial
5 specsCrystal Shape
—
Double-domed
AR Coating
—
Underside
Dial Color
Silver
Black
Indices
—
Applied
Lume
Luminous
Super-LumiNova
Movement
4 specsCaliber
SW330-2
Sellita SW300
Beat Rate
28,800 vph
4 vph
Power Reserve
48h
42h
Complications
GMT, Date
GMT, Chronograph, Date
Pricing
1 specsMSRP
$2,800
$2,400
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