Accompanied by Patek Philippe Extract from the Archives confirming production of the movement in 1931. It was completed in 1963, encased in 1967 and sold on 19 January 1970. Furthermore delivered with a brown leather presentation box.
The present watch is thought to be one of only three examples of this particular model to appear in public to date. A nearly identical watch with preceding movement number 198'441 is illustrated in Patek Philippe by Martin Huber & Alan Banbery, p. 228, pl. 210.