Reference: 3580, EllipseMovement No: 1'491'670Case No: 2'703'736Year: 1989Calibre: 350Dial: Sunburst blue, applied luminescent baton numerals, signedCase: Length 40mm, stainless steel, screw on case back, backwind, signedStrap: Endangered species, stainless steel Patek Philippe buckleAccompaniments: Patek Philippe Certificate of Origin, Extract from the Archives confirming date of manufacture in 1989 and date of original date of purchase on 21st July 1989