I spotted a new version of the Ulysse Nardin Perpetual Calendar with GMT function at Viennatime.
The “GMT Perpetual” is an execution in a red gold case and one in a platinum case, both numbered and limited to 250 pieces. Click here…
Perpetual Ludwig
Ulysse Nardin presents its legendary Perpetual Ludwig in a new execution
This was the first perpetual calendar mechanism that allowed the forward and backward adjustment of all calendar displays over a single crown. Back in 1996 a…