A fine and rare 18k yellow gold self-winding wristwatch ref.2552.
With Patek Philippe Extract from the Archives confirming production of this watch in 1956 and its subsequent sale on November 4th, 1957.
Manufacture of ref.2552 was launched in 1955, the majority cased in gold. It was fitted with Patek Philippe's first automatic calibre 12-600, a truly state of the art movement which was granted Swiss patent no. 289758 for "A self-winding mechanism for a wristwatch movement using the energy supplied by a rotary mass causing an eccentric part to transmit a swinging movement to an organ of the mechanism".