Introducing: Oak & Oscar’s Humboldt ExP-02 Keeps Their Experimental Series Going Strong

The result is a 39.5mm by 12.4mm stainless steel tool watch powered by a Sellita SW300 movement with hours, minutes, and central seconds, protected by 200m of water resistance. The steps that make it part of the Experimental Series are the real story for the brand, however. The dial rehaut is cut and milled from aluminum on a Schaublin 70 lathe, then attached to the sandwich dial, which is laser-cut from aluminum on the brand’s own machinery, before being punched out for the indices. The two parts are riveted and bonded, then given a matte finish with 50-micro silicon carbide blasting material before being marked with high frequency laser for a ghost effect on the sandblasted dial plate. Finally, this is all bonded to a third layer of aluminum. All of this is done in their Chicago headquarters. To cap it all off, they also machined a fixed stainless steel bezel on the same lathe as above.