PATEK PHILIPPE PERPETUAL CALENDAR MINUTE REPEATER Reference: 3974J. Serial number: 2 900 805. 18K (750) yellow gold case. Silver dial, applied hour-markers, perpetual calendar and minute repeater function. Mechanical self-winding movement (calibre R 27 Q) No. 1 906 074, with double back. Leather strap on yellow gold buckle, signed. Sapphire crystal. Diameter: 36 mm. Circa 1993. Gross weight: 76.4 g. The watch comes with its case, papers and archive extract. A very fine 18K gold, perpetual calendar, mechanical movement, chronograph wristwatch, by Patek Philippe. Circa 1993. RC : Sold as is, traces of wear and use. Movement functional at the time of writing the description, provide for servicing, without warranty.