The prestigious 433-piece watch collection of Lord Sandberg, former chairman of the HSBC Group, goes to auction March 31 to April 1 at the Hotel Richemond in Geneva, Switzerland. Jeweled and enameled timepieces crafted from the 16th to 20th centuries, gathered over a 30-year span, are on display on certain days in March in Paris, New York, Tokyo, Hong Kong, and Geneva. Highlight: a ca. 1785, automated "singing bird" watch (one of four). Contact Antiquorum Auctioneers, 212-750-1103.