In 2007, Blancpain launched the Fifty Fathoms 5085F-1130-52, a stunning timepiece. It boasts a large 45mm case and is powered by the F185 self-winding movement with a flyback chronograph. The dial, bezel, and strap all come in a beautiful blue color. One cool feature of this watch is the sapphire-covered bezel insert, which pays homage to the original acrylic insert that inspired it.