Side by side
Oak & Oscar The Humboldt GMTvsSheffield 1A
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
The Humboldt GMT39.5mm
1A40mm
Power Reserve
The Humboldt GMT56 hoursh
1A—
Water Resistance
The Humboldt GMT200m
1A200m
MSRP
The Humboldt GMT$2,175
1A$223
Full specifications
Case
7 specsCategory
GMT
Diver
Diameter
39.5mm
40mm
Thickness
12.5mm
12.8mm
Lug-to-Lug
46.8mm
46mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed
Brushed and polished
Caseback
Solid screw-down
Solid
Crystal & Dial
4 specsCrystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
White
White/Blue
Lume
Super-LumiNova
Swiss blue lume
Movement
3 specsCaliber
Sellita SW330
Seiko NH35A
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
—
Pricing
1 specsMSRP
$2,175
$223
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