Side by side
Oak & Oscar The Humboldt GMTvsMarathon CeraShell Pilot's Navigator
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
The Humboldt GMT39.5mm
CeraShell Pilot's Navigator41mm
Power Reserve
The Humboldt GMT56 hoursh
CeraShell Pilot's Navigator40h
Water Resistance
The Humboldt GMT200m
CeraShell Pilot's Navigator60m
MSRP
The Humboldt GMT$2,175
CeraShell Pilot's Navigator$550
Full specifications
Case
8 specsCategory
GMT
Pilot
Diameter
39.5mm
41mm
Thickness
12.5mm
11.5mm
Lug-to-Lug
46.8mm
48mm
Material
316L Stainless Steel
CeraShell (bio-sourced composite)
Finish
Brushed
Brushed and polished
Water Resistance
200m
60m
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
4 specsCaliber
Sellita SW330
ETA F06
Type
Automatic
Quartz
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h
Pricing
1 specsMSRP
$2,175
$550
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