Side by side
Duckworth Prestex Belmont 300 AutomaticvsOak & Oscar The Humboldt 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
Belmont 300 Automatic42mm
The Humboldt GMT39.5mm
Power Reserve
Belmont 300 Automatic38h
The Humboldt GMT56 hoursh
Water Resistance
Belmont 300 Automatic300m
The Humboldt GMT200m
MSRP
Belmont 300 Automatic$750
The Humboldt GMT$2,175
Full specifications
Case
8 specsCategory
—
GMT
Diameter
42mm
39.5mm
Thickness
13mm
12.5mm
Lug-to-Lug
50mm
46.8mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Brushed
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
4 specsCrystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Dial Color
—
White
Lume
None
Super-LumiNova
Movement
3 specsCaliber
Miyota 9039
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
38h
56 hoursh
Pricing
1 specsMSRP
$750
$2,175
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