Breguetcamera 寶璣相機 - Got this rare Audemars Piguet Royal Oak Annual Calendar⌚ ref. #25920BA in 18-carat yellow gold, 36mm case and white dial. It is the first and only annual calendar developed
![Audemars Piguet Royal Oak Automatic Annual Calendar Ref-25920BA-O0789BAO 18k Yellow Gold Box Bj-1999 Audemars Piguet Royal Oak Automatic Annual Calendar Ref-25920BA-O0789BAO 18k Yellow Gold Box Bj-1999](https://www.bachmann-scher.de/fileadmin/watches/011217/audemars-piguet-royal-oak-automatic-annual-calendar-ref-25920ba-o0789bao-18k-yellow-gold-box-bj-1999-g.jpg)
Audemars Piguet Royal Oak Automatic Annual Calendar Ref-25920BA-O0789BAO 18k Yellow Gold Box Bj-1999
![Audemars Piguet 25920BA.OO.0789BA.01 Royal Oak Annual Calendar Blue Dial 18K Yellow Gold (19896) | European Watch Co. Audemars Piguet 25920BA.OO.0789BA.01 Royal Oak Annual Calendar Blue Dial 18K Yellow Gold (19896) | European Watch Co.](https://images.europeanwatch.com/images-sold/Audemars-Piguet-25920BA.OO.0789BA.01-Royal-Oak-Annual-Calendar-Bl-19896-1.jpg)