With Patek Philippe Extract from the Archives confirming production of the present watch with raised gold hour markers in 1951 and its subsequent sale on 24 June 1952. To the best of our knowledge, it has never been offered in public before.
Reference 1593, launched in 1944, is one of Patek Philippe's best designs ever given to a rectangular wristwatch. For over 20 years, this model was available in gold, only few examples were cased in platinum.
The model is illustrated in Patek Philippe Wristwatches by Martin Huber & Alan Banbery, second edition, pages 128 & 129, as well as page 141.