Patek Philippe Annual Calendar Chronograph Ref. 5905P-010 The Patek Philippe ref. 5905P-010, introduced in 2015, combines a chronograph with a 60-minute counter and an annual calendar showing day, date and month in apertures, in a 42 mm platinum case with an ebony grey-black sunburst dial. The reference is no longer part of Patek Philippe's collection. - Self-winding Calibre CH 28-520 QA 24H - Chronograph with 60-minute counter - Annual calendar, day/night indication - 42 mm platinum case, 14.03 mm thick, water resistant to 30 metres - Ebony grey-black sunburst dial, applied gold markers and numerals - Matte black alligator strap with prong buckle Full set. Maker: Patek Philippe. Reference: 5905P-010. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.