Side by side
Oak & Oscar The Humboldt GMT TitaniumvsZelos Blacktip 200m Ti
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
The Humboldt GMT Titanium39.5mm
Blacktip 200m Ti41mm
Power Reserve
The Humboldt GMT Titanium56 hoursh
Blacktip 200m Ti40h
Water Resistance
The Humboldt GMT Titanium200m
Blacktip 200m Ti200m
MSRP
The Humboldt GMT Titanium$2,950
Blacktip 200m Ti$599
Full specifications
Case
6 specsCategory
GMT
Diver
Diameter
39.5mm
41mm
Thickness
12.5mm
12mm
Lug-to-Lug
46.8mm
41mm
Material
Grade 5 Titanium
Titanium
Caseback
Solid screw-down
Solid
Crystal & Dial
5 specsCrystal
Sapphire
Domed Sapphire
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
Green
Aventurine
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Sellita SW330
Miyota 9015
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h
Pricing
1 specsMSRP
$2,950
$599
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