In celebration of the Nautilus 40th Anniversary, Patek Philippe introduces the 5976/1G, a chronograph in white gold. This is an automatic flyback chronograph movement with both a column wheel and a vertical clutch, plus the date. The solid white gold case measures 44mm across the dial aperture and a whopping 49.25mm if you include the oblong sides of the case. The bracelet is also solid white gold. The 5976/1G is a limited edition of 1,300 pieces with a retail price of $96,390.