Important Manual Caliber? Piguet cal21 -- used in your IWC, Patek, Blancpain, Rolex, Longines, Cartier, Omega etc and the Blueprint for the AP cal2003 & VC cal1003, see our blog: plus-ultra.ch #piguet #caliber21 #audemarspiguet #vacheron #ap2003 #vc1003 #pp175 #patek175 #manualcaliber #watchblog #plusultra_ch #plusultrablog #plusultrach #omegawatches #longines #rolex #blancpain #patek #cartier (at Geneva, Switzerland) https://www.instagram.com/p/Coj-bUsLy8m/?igshid=NGJjMDIxMWI=

Vintage Watches Collection : “5975G. #patekphilippe #5975G #patek175 #whitegold #chronograph #alexwoodmansee” http://bit.ly/2D32A1U

The barn-find steel reference 530 chronograph with sector dial just hammed for 490,000 Swiss at the @christieswatches #patek175 sale.