Side by side
Citizen Promaster Skyhawk U830vsOak & Oscar The Humboldt GMT USSS Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Promaster Skyhawk U83043mm
The Humboldt GMT USSS Edition39.5mm
Power Reserve
Promaster Skyhawk U83040h
The Humboldt GMT USSS Edition56 hoursh
Water Resistance
Promaster Skyhawk U830200m
The Humboldt GMT USSS Edition200m
MSRP
Promaster Skyhawk U830$596
The Humboldt GMT USSS Edition$2,200
Full specifications
Case
7 specsCategory
Pilot
GMT
Diameter
43mm
39.5mm
Thickness
12mm
12.5mm
Lug-to-Lug
46mm
46.8mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Caseback
Solid
Engraved
Crystal & Dial
4 specsCrystal Shape
Flat
Double-domed
AR Coating
Underside
Inner
Dial Color
Blue
Black
Lume
None
Super-LumiNova BGW9
Movement
3 specsCaliber
U830
Sellita SW330
Type
Quartz
Automatic
Power Reserve
40h
56 hoursh
Pricing
1 specsMSRP
$596
$2,200
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