To mark 30's birthday, Swatch κατασκεύασε ένα αυτόματο μηχανικό ρολόι κίνησης που αποτελείται ακριβώς από 51 ανταλλακτικά. Ο ίδιος αριθμός εξαρτημάτων χρησιμοποιούνταν και στο πρώτο ρολόι χαλαζία της companys.
Η creation of this particular watch, is a real feat, as self-winding watches are much more complicated than quartz watches, often containing over 500 parts.
Apart from that, Sistem51 has something else that makes it stand out: A single screw connects all the spare parts allowing them to work. naked viscera of the public. The "chassis" of the watch is hermetically sealed, so that the mechanism inside will not need cleaning or lubrication.
Since 51 is assembled entirely by robots rather than by human hands, it is sold to 150 dollars, in a market where prices are usually very expensive.