Released in 1943, the Patek Philippe ref. 1578 is most notable for its fancy “spider” lugs or commonly known as the “time-only” counterpart of the coveted ref. 1579 chronograph. Produced until approximately 1965, the reference was only available in 18K yellow and pink gold, case made by Wenger with two variants, a version with small seconds and a version with center seconds. The reference was released in a total of three series for examples with small seconds and two series for examples featuring center seconds.