There are watches and there's the Patek Philippe Nautilus. The iconic design, created by Gerald Genta, is getting two limited edition 40th Anniversary models. It wouldn't be a special piece without the best materials, Patek is offering the watch in pure platinum with a dial decorated in baguette diamonds. They'll also be releasing a chronograph model with a white gold case with baguette and princess-cut diamonds. The three hand model will be limited to 700 examples while the chronograph will be limited to 1300 examples. 

patek.com