Patek Philippe ref. 1593 Hour Glass in 18k Yellow GoldThis Patek Philippe Hour Glass reference 1593 was introduced in 1944 and features a dramatic, ergonomic silhouette, defined by its concave and convex sides. Measuring 41. 5 25 mm, the case offers a bold, avant garde presence that remains striking even by todays standards. The silvered dial is finely brushed and features delicate black enamel Patek Philippe signature. Applied numerals at 6, 9, and 12 are complemented by arrow shaped markers for the