3970EP, Second Series, Perpetual Calendar Chronograph, Platinum 363.179 from the year of A

from the year of A

1 of just 20 examples made

the very first chronograph from brothers Bart and Tim Grönefeld

but remains one of the most technically impressive feats of the last decade in watchmaking

3970EP, Second Series, Perpetual Calendar Chronograph, Platinum 363.179 from the year of AA Second Series 3970 in platinum, 1 of 11 Second Series examples in platinum known, here with an Italian calendar. This is an unbelievably well preserved example with an untouched case and magnificent, unrestored dial. Its condition defies time. The 3970 succeeded the 2499 in 1986, the most significant contribution of Philippe Sterns tenure over the brand. It features a 36mm Ateliers Runis case, Lemania bauche calibre CH 27 70 Q, feuille hands of