Step 1: Gather Your Materials (And Tools)
ONE Cheap-o clock mechanism w/appropriate washers, spacers and (of course) clock hands.
FOUR Plastic drinks bottle tops, or appropriate diameter equiv.
ONE Pillar drill w/9mm, or appropriate size, drill bit (depending on the clock mechanism of your choosing).
ONE Hammer and awl.
SOME E-poxy resin if required.
AND ONE Set of pliers to tighten said clock mechanism.
Got them? Good, then let us begin.