Moving toward the actual design https://www.rbsonnenbrillen.de/sonnenbrillen/rb3928-by-aap-rocky/ of the watch, we have an injection-molded, stainless-steel "skeleton" case that's sized at a mere 38mm (yada, yada, sweet spot size, etc.), with https://www.rbsonnenbrillen.de/sonnenbrillen/original-wayfarer-classic/ a titanium mid-case. It's affixed to a durable rubber strap with a buckle signed S2. https://www.rbsonnenbrillen.de/sonnenbrillen/original-wayfarer-classic/ The watch features an exhibition caseback, where the Sellita movement is showcased with a signed rotor.