The Reverso Quadriptyque was " digitally " issued in April 2021, since there was no physical watch fair this year. So it took me some time to be able to see this new masterpiece in real life, which I could admire during a trip to the Manufacture in February 2022. And to be honest, it took me a longer time to fully understand it. If we wanted to summarize this watch, we could say that it is the first horological creation to offer four sides, and to gather a minute repeater, a tourbillon, a perpetual calendar, ...