SIHH 2013: IWC Written by WatchTime, January 24, 2013 WatchTime contributor Alexander Linz takes a look at some of the highlights from IWC at SIHH over at his blog on watch-insider.com. Linz has two separate posts, filled with images of IWC novelties. Head over to watch-insider now for more. Click HERE for the first post, and HERE for the second. Among the new IWC pieces at SIHH is the IWC Ingenieur Constant-Force Tourbillon 46 mm seen here. Receive all the blog posts and breaking news from WatchTime for free! Sign up to our free daily alert and get it all delivered to your inbox.