Side by side
Seestern S424 Full Lume PilotvsOak & Oscar The Humboldt GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
S424 Full Lume Pilot38mm
The Humboldt GMT39.5mm
Power Reserve
S424 Full Lume Pilot41h
The Humboldt GMT56 hoursh
Water Resistance
S424 Full Lume Pilot50m
The Humboldt GMT200m
MSRP
S424 Full Lume Pilot$299
The Humboldt GMT$2,175
Full specifications
Case
8 specsCategory
Pilot
GMT
Diameter
38mm
39.5mm
Thickness
11mm
12.5mm
Lug-to-Lug
46mm
46.8mm
Lug Width
19mm
20mm
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
Black
White
Lume
Full lume
Super-LumiNova
Movement
5 specsCaliber
Seiko NH35A
Sellita SW330
Beat Rate
21,600 vph
4 vph
Power Reserve
41h
56 hoursh
Jewels
24
25
Complications
GMT
None
Pricing
1 specsMSRP
$299
$2,175
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