NO-ONE Knows it all! We're together learning from one another >
It is only time that enables us the enthusiasts to gather some knowledge about our passion.
Often I do not know or I forgot, and I refer to friends or books.
I would never feel to be an ignorant or stupid for asking what could be to some the silliest question: is it mechanical, or quartz.
Quiz are to me: reminders or good-to-know
So if Nicomouk is right, then you know to much :-)
Yves.