Patek Philippe Minute Repeater Tourbillon Perpetual Calendar Ref. 5316P-001 The Patek Philippe Minute Repeater Tourbillon Perpetual Calendar ref. 5316P-001, introduced in 2017, has a 40.2 mm platinum case, a black enamel dial and the manual-winding Calibre R TO 27 PS QR. The reference is no longer part of Patek Philippe's collection. - Manual-winding Calibre R TO 27 PS QR - Minute repeater, tourbillon, perpetual calendar with retrograde date; day, month and leap year in apertures; small seconds - 40.2 mm platinum case, 13.23 mm thick - Dial: black enamel, gold applied hour markers - Shiny black alligator strap, fold-over clasp Full set. Maker: Patek Philippe. Reference: 5316P-001. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.