3015. 3015Y Patek Philippe retailed by Serpico y Laino. A very fine and rare platinum manual wind wristwatch with diamond hour markers Patek Philippe retailed by Serpico y Laino. A very fine and rare platinum (950) wristwatch with mechanical movement and diamond hour markers. Reference: 1593 Date: Circa 1955 Movement: 18-jewel manual wind, adjusted to heat, cold, isochronism and 5 positions, No.977179 Dial: Silvered, applied square and baguette cut diamond hour markers, polished spade hands Case: Brushed and polished curved waisted rectangular, snap on back, S&L stamped on outer case back, No.2602958 Strap/Bracelet: Patek Philippe black alligator leather Buckle/Clasp: Signed 18k white gold buckle Signed: Case, dial & movement Size: 22mm x 40mm Weight: 45,21g Accompaniments: Travel pouch The Reference 1593 showcases one of Patek Philippe's most beautiful and creative case designs. Known to collectors as the 'Hour Glass' due to its flared case and almost sensual curves, the Ref. 1593 was first introduced in 1944 and production stopped in 1967. The present example is exceptionally rare because only a few are encased in platinum, especially with round and baguette-cut diamond hour markers on the dial.