百達翡麗，精細，不銹鋼酒桶形腕錶，型號3579，1974年製

With Patek Philippe Extract from the Archives confirming production of the present watch in 1974 and its subsequent sale on 30 April 1975 and slip case.

Reference 3579 was in production from 1969 to 1974, available with dark blue or silvered dials and in stainless steel only.