PATEK PHILIPPE Reference : 3525J. Serial number: 518637. Case in 18k yellow gold. Light grey dial, seconds at 6 o'clock, Roman numeral hour markers. Self-winding mechanical movement (calibre 27-460), serial no. 1116759. Leather strap on yellow gold buckle, mineral glass. Circa 1960. Diameter: 32mm. Gross weight: 47.3g. Accompanied by its service papers. An 18k gold wristwatch automatic movement, by Patek Philippe. Circa 1960.