Side by side
Beaufort Permian RiftvsOak & Oscar The Humboldt GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
Permian Rift38mm
The Humboldt GMT39.5mm
Power Reserve
Permian Rift42h
The Humboldt GMT56 hoursh
Water Resistance
Permian Rift50m
The Humboldt GMT200m
MSRP
Permian Rift—
The Humboldt GMT$2,175
Full specifications
Case
9 specsCategory
—
GMT
Diameter
38mm
39.5mm
Thickness
10.85mm
12.5mm
Lug-to-Lug
45mm
46.8mm
Lug Width
—
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Brushed
Water Resistance
50m
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
HZ5000A
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
56 hoursh
Pricing
1 specsMSRP
—
$2,175
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