Patek Philippe Annual Calendar Ref. 5146J-001 The Patek Philippe ref. 5146J-001, launched in 2005, is the annual calendar with moon phase and power-reserve indication in a 39 mm yellow-gold case. Early examples carry Calibre 315 S IRM QA LU and later ones the 324 S IRM QA LU. The reference is no longer part of Patek Philippe's collection. - Self-winding annual calendar calibre (315, later 324 S IRM QA LU) - Annual calendar, moon phase, power reserve - 39 mm yellow-gold case - Alligator strap with yellow-gold folding clasp Full set. Maker: Patek Philippe. Reference: 5146J-001. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.