Side by side
Oak & Oscar The Humboldt GMTvsPOLPORA POLPORA Emalie Ametyst
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
POLPORA Emalie Ametyst40mm
Power Reserve
The Humboldt GMT56 hoursh
POLPORA Emalie Ametyst56h
Water Resistance
The Humboldt GMT200m
POLPORA Emalie Ametyst50m
MSRP
The Humboldt GMT$2,175
POLPORA Emalie Ametyst$4,790
Full specifications
Case
8 specsCategory
GMT
—
Diameter
39.5mm
40mm
Thickness
12.5mm
8.7mm
Lug-to-Lug
46.8mm
46.6mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed
Brushed and polished
Water Resistance
200m
50m
Caseback
Solid screw-down
Solid
Crystal & Dial
4 specsCrystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
White
Black
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Sellita SW330
Sellita SW300-1
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
56h
Pricing
1 specsMSRP
$2,175
$4,790
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