Patek Philippe yellow gold and enamel open face pocket watch, made in 1907. 18k yellow gold case, bezels and pendant enhanced with Paillonné blue enamel painted Greek key pattern, hinged gold cuvette engraved with dedication, monogrammed case back. White enamel dial, Breguet numerals, blued steel Breguet hands, subsidiary seconds at 6, outer minute track. Cal 17' manual winding nickel lever movement, 20 jewels, cut bi-metallic compensation balance. Case, dial, cuvette, and movement signed. Diameter 46 mm. Accompanied by certificate of origin, original box, Extract from the Archives.