Side by side
Oak & Oscar The Humboldt GMT TitaniumvsZelos Skyraider 40 Skeleton
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
The Humboldt GMT Titanium39.5mm
Skyraider 40 Skeleton40mm
Power Reserve
The Humboldt GMT Titanium56 hoursh
Skyraider 40 Skeleton40h
Water Resistance
The Humboldt GMT Titanium200m
Skyraider 40 Skeleton50m
MSRP
The Humboldt GMT Titanium$2,950
Skyraider 40 Skeleton$1,999
Full specifications
Case
7 specsCategory
GMT
Skeleton
Diameter
39.5mm
40mm
Thickness
12.5mm
8.2mm
Lug-to-Lug
46.8mm
40mm
Material
Grade 5 Titanium
Titanium
Water Resistance
200m
50m
Caseback
Solid screw-down
Solid
Crystal & Dial
4 specsCrystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
Green
Ti Damascus LE
Lume
Super-LumiNova
None
Movement
4 specsCaliber
Sellita SW330
Swiss Skeletonised Marvin 700
Type
Automatic
Manual
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h
Pricing
1 specsMSRP
$2,950
$1,999
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