Lot Essay
From the 1930s through the 1960s, Patek Philippe produced a tremendous variety of rectangular-shaped wristwatches with the 9'''-90 calibre movement.
Further information on the 9'''-90 movement can be found in Patek Philippe Wristwatches by Martin Huber & Alan Banbery, 2nd edition, p. 129.
Further information on the 9'''-90 movement can be found in Patek Philippe Wristwatches by Martin Huber & Alan Banbery, 2nd edition, p. 129.