Side by side
Oak & Oscar The Humboldt GMTvsMaystone Watch Co Prosperity GMT
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 GMT39.5mm
Prosperity GMT38mm
Power Reserve
The Humboldt GMT56 hoursh
Prosperity GMT41h
Water Resistance
The Humboldt GMT200m
Prosperity GMT100m
MSRP
The Humboldt GMT$2,175
Prosperity GMT$443
Full specifications
Case
8 specsCategory
GMT
—
Diameter
39.5mm
38mm
Thickness
12.5mm
11.9mm
Lug-to-Lug
46.8mm
46mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid screw-down
Solid
Crystal & Dial
4 specsCrystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
White
Red
Lume
Super-LumiNova
string
Movement
3 specsCaliber
Sellita SW330
Seiko NH34
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
41h
Pricing
1 specsMSRP
$2,175
—
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