SIGNED PATEK PHILIPPE, GENEVE, ELLIPSE MODEL, REF. 3634/2, MOVEMENT NO. 1'287'903, CASE NO. 533'254, MANUFACTURED IN 1978 Movement: Cal. 28-255, automatic, 36 jewels, signed Dial: Signed Case: Snap on back, 33 mm. wide, 38 mm. overall length, signed With: 18k white gold Patek Philippe bracelet and deployant clasp, overall length approximately 165 mm., Extract from the Archives confirming production of the present watch with sunburst blue dial with diamond hour-markers on white gold bracelet in 1978 and its subsequent sale on 23 November 1983
Reference 3634 was launched in 1975 and produced for only a few years in yellow or white gold with different bracelets.To the best of our knowledge the present example is the only known example with this dial configuration and it is fresh to the market.