With Patek Philippe Extract from the Archives confirming production of the present watch in 1960 and its subsequent sale on June 2nd of the same year.
To the best of our knowledge, this watch has never before been offered in public.
Patek Philippe produced the reference 2573 from 1956 until approximately 1971 This reference was produced with three different calibers. The first with the caliber 10 200 like the present watch, the caliber 23 300 and the caliber 23-300 PS.
Reference 2573 is illustrated in Patek Philippe Wristwatches by O. Patrizzi, vol. II, plate 824, p. 196.