Ref : 2540
Material : Pink gold 18k / 750
Type of clock : Automatic movement, cal. 12-600 AT
Year : 1958
Case size : 31.5 x 31.5mm
Guarantee : With the extract of the archives from Patek Philippe Fully serviced by Patek Philippe
Further information : The calibre 12-600 AT was the first automatic movement by Patek Philippe and was introduced in 1953 with the ref. 2526.
