Side by side
Oak & Oscar The Humboldt GMT TitaniumvsYema Superman Tourbillon CMM.31 Limited Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
The Humboldt GMT Titanium39.5mm
Superman Tourbillon CMM.31 Limited Edition43mm
Power Reserve
The Humboldt GMT Titanium56 hoursh
Superman Tourbillon CMM.31 Limited Edition40h
Water Resistance
The Humboldt GMT Titanium200m
Superman Tourbillon CMM.31 Limited Edition300m
MSRP
The Humboldt GMT Titanium$2,950
Superman Tourbillon CMM.31 Limited Edition$13,000
Full specifications
Case
8 specsCategory
GMT
Diver
Diameter
39.5mm
43mm
Thickness
12.5mm
11.7mm
Lug-to-Lug
46.8mm
—
Lug Width
20mm
22mm
Material
Grade 5 Titanium
Stainless Steel
Water Resistance
200m
300m
Caseback
Solid screw-down
Solid
Crystal & Dial
5 specsCrystal
Sapphire
Domed Sapphire
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
Green
Steel
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Sellita SW330
Yema CMM.31 Tourbillon
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h
Pricing
1 specsMSRP
$2,950
$13,000
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