PATEK PHILIPPE GONDOLO & LABOURIAU Serial number: 252892. Case in 18k yellow gold. White enamel dial, Roman numeral hour markers. Hand-wound mechanical movement, No. 139027, signed and inscribed "Pat. Jan, 13 1891". Plexiglas glass. Circa 1900. Diameter: 47 mm. Gross weight: 71.9 g. The owner's name is mentioned on the dial: "Hercio de Araujo". An 18k gold pocketwatch mechanical movement by Patek Philippe. Circa 1900.