Oops, and kicking in too late on the Sinn triple calendar ...
By: HSTE : May 25th, 2017-13:59
... I am particularly fond of this one as I always, for many years wanted to own a Valjoux 88 and this one is so unusual and so nice. In addition, I had the chance to exchange emails with Helmut Sinn on this watch to get some more details. Cheers, HSTE