SIGNED PATEK PHILIPPE, GENÈVE, ELLIPSE MODEL, REF. 3634, MOVEMENT NO. 1'283'912, CASE NO. 539'421, MANUFACTURED IN 1973

With Patek Philippe Extract from the Archives confirming production of the present watch with onyx dial in 1973 and its subsequent sale on 10 January 1973. It has never been offered at auction before.

Reference 3634 was in production from 1975 until at least 1978. The models were available mostly in yellow gold and with different dial versions including hard stone.