Unlike quartz analogue watches (compared to mechanical watches) regular pencils do not contain moving parts (the narrowest definition of "mechanism"), while mechanical pencils do.
Unlike quartz analogue watches (compared to mechanical watches) regular pencils do not contain moving parts (the narrowest definition of "mechanism"), while mechanical pencils do.
inspiration: Chyrosran22's rant (YouTube Link) on the fact that the term "mechanical keyboard" does not has a widely accepted definition.