With Patek Philippe Extract from the Archives confirming production of the present watch in 1973 and its subsequent sale on 26 February 1975.
Reference 3604 was produced from 1971 to 1978. The model belongs to the "golden circle" collection and is affectionately nicknamed "television" by collectors. Reference 3604 was only available in yellow or white gold. Fresh to the market, this watch is one of only 7 examples to have come up for auction thus far. Furthermore, the present lot is in overall very good condition.