it means that someone is selling a watch that is a copy of a Jacques lemans watch.
A Chronogist
spectators
A "spectator".
Horologist
a treasurer!
A "Spectator" or "Fan"
a peeping tom
a watch maker or to be precise a jeweller seeing as watches contain quartz i guess
It is called a cliffhanger
If you need the answer to the joke it is "a watchman"
A proctor.
Film buff ,cinimafile.