Lot Essay
Patek Philippe commenced production of the reference 3440 in 1961.
For a similar example see Huber & Banbery, Patek Philippe Wristwatches, Volume 2, Second Edition, p. 221, pl. 355.
For a similar example see Huber & Banbery, Patek Philippe Wristwatches, Volume 2, Second Edition, p. 221, pl. 355.