Will the watch and jewelry fair be a hit, or a Swiss miss?Visitors to Baselworld 2012, the World Watch and Jewellery Show, March 8–15 in Basel, Switzerland, may notice a less-than-luxurious sight around the Messeplatz: construction. At the end of last year’s show, organizers detailed grand expansion plans: 430 million Swiss francs worth of fairground improvements, including updates to Building 3, which are now well under way. But officials say this year’s affair “will not be affected” by the work, according to a release, and the “customary sectors…will be retained for 2012.”Some 1,800 exhibitors are again expected to participate. Among them are Swarovski, which is debuting its first men’s watch collection. The crystal brand expanded into the men’s category in 2010 with a jewelry and accessories line, and attendees will notice that its new Swiss-made Piazza Grande watc