Patek Philippe & Cie, Genève, No. 3206121, Ref. 5110. Production of this reference started in 2000.Very fine, "World Time", self-winding, 18K yellow gold, water-resistant, gentleman's wristwatch with an 18K yellow gold Patek Philippe deployant clasp.

C. two-body, solid, polished, transparent screwed-down case back, protected crown, pusher on the band linked to the train to activate the settable discs with the different time zones, the 24 hours and jump-type time setting, concave lugs. D. "guilloché" silver with applied yellow gold indexes, surrounded by a black and matte silver revolving disc in 24 for the diurnal and nocturnal hours, outer revolving ring dial bearing the names of 24 cities in the world. "Lozenge" yellow gold hands. M. Cal.40 HU, stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses-côtes" decoration, 33 jewels, straight line lever escapement, Gyromax balance, shock-absorber, self-compensating flat balance-spring, 22K gold micro-rotor.Dial and movement signed.Diam. 37 mm.

Patek Philippe & Cie, Genève, No. 3130600, Ref. 5035. Production of this reference started in 1996. This series was made to commemorate the 100th anniversary of the "Milan A.C."Very fine and unusual, center-seconds, self-winding, water-resistant, 18K pink gold gentleman's wristwatch with annual calendar, 48 hours autonomy, with an 18K pink gold Patek Philippe buckle. Accompanied by a black push-pin for quick change of the date.

C. two-body, solid, polished, transparent screwed-down case back, concave bezel. D. matte silver with applied pink gold tritium-coated dart indexes, auxiliary dials for the days of the week, the 24 hours, the months, aperture for the days of the month. "Feuille" tritium-coated pink gold hands. M. Cal. 315/198, stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses-côtes" decoration, 35 jewels, straight line lever escapement, Gyromax balance, shock-absorber, self-compensating flat balnce-spring, 21K gold rotor.Dial and movement signed.Diam. 37 mm.Stamped on the glazed back: "Milan A.C. - 1899 - 1999".