2451

which sold for a crazy price in 2021! It has a 37 mm case: so, much bigger than this 31 mm ref. 2451. credit: hodinkee

As a contrast and complement to my thread dedicated to the new Calatrava 6196P , here's an incredible variant of the ref. 2451 , with a steel 31 mm case made by Francois Borgel (FB) and a dial with radium dots and radium-filled leaf hands . The watch is p