Reference: 3426Movement No: 795'744Case No: 2'636'630Year: 1964Calibre: 23-300, manual winding Dial: Silvered textured, applied baton indexes, signedCase: 32mm, 18k white gold, snap on case back, signedStrap: Leather, 18k white gold Patek Philippe buckleAccompaniments: Extract from the Archives confirming date of manufacture in 1964 and original date of purchase on July 31st 1964