Patek Philippe & Cie, Genève, "Calatrava", No. 710517, case No. 314007, Ref. 570. Production of this reference started in 1939.Very fine, large, center-seconds, oversized, 18K yellow gold gentle-man's wristwatch with an 18K yellow gold Patek Philippe buckle.

C. three-body, solid, polished and brushed, flat bezel, concave lugs.D. satiné silver with applied yellow gold indexes. "Dauphine" yellow gold hands. M. 27 SC, stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses-côtes" decoration, 18 jewels, straight line lever escape-ment, monometallic balance adjusted for heat, cold isochronism and 5 positions, shock-absorber, self-compensating Breguet balance-spring, micrometer regulator.Dial, case and movement signed.Diam. 35 mm.

Patek Philippe & Cie, Genève, "Calatrava", Ref. 5026. Produced in a limited edition in the year 2000 to celebrate the new millennium.Very fine and rare, self-winding, water-resistant, 18K pink gold gentleman's wristwatch with an 18K pink gold Patek Philippe buckle. Accompanied by a box.

C. two-body, solid, polished and brushed, flat bezel, concave lugs, transparent case back. D. satiné grey with painted white radial Roman numerals, auxiliary seconds dial on the 5, "Bâton" white hands M. Cal. 240/151 PS stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses côtes" decoration, 27 jewels, straight line lever escapement, Gyromax balance, shock-absorber, self-compensating freesprung balance-spring, gold micro-rotor.Dial, case and movement signed.Diam. 33 mm

Patek Philippe & Cie, Genève, "Calatrava", Ref. 5026. Produced in a limited edition in the year 2000 to celebrate the new millennium.Very fine and very rare, self-winding, water-resistant, platinum gentleman's wristwatch with a platinum Patek Philippe buckle. Accompanied by a box.

C. two-body, solid, polished and brushed, flat bezel, concave lugs, transparent case back. D. black with painted white radial Roman numerals, auxiliary seconds dial on the 5, "Bâton" white hands M. Cal. 240/151 PS stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses côtes" decoration, 27 jewels, straight line lever escapement, Gyromax balance, shock-absorber, self-compensating freesprung balance-spring, gold micro-rotor.Dial, case and movement signed.Diam. 33 mm

Patek Philippe & Cie, Genève, "Calatrava", No. 867118, case No. 646815, Ref. 533. Production of this reference started in 1937. Very fine and rare 18K pink gold gentleman's wristwatch with square button chronograph, register and tachometer, with a linen-textured 18K yellow gold Patek Philippe bracelet, and an additional leather strap.

C. three-body, solid, polished, flat bezel, concave lugs. D. matte pink with applied pink gold dot indexes and Roman numerals, auxiliary seconds and 30-minute register dials, outer tachometer, 1/5th second and seconds graduation. "Bâton" pink gold hands. M. Cal. 13'''-130, rhodium-plated, "fausses-côtes" decoration, 23 jewels, lever escapement, cut bimetallic balance, 8 adjustments, Breguet balance-spring, micrometer regulator. Dial, case and movement signed. Diam. 33 mm. Approx. overall length 185 mm.

Patek Philippe & Cie, Genève, "Calatrava", No. 855483, case No. 306674, Ref. 3148, retailed by Freccero. Produced circa 1955. Fine and rare 18K pink gold lady's wristwatch.

C. three-body, solid, polished and brushed, flat bezel, concave lugs. D. matte silver with applied pink gold indexes. "Bâton" pink gold hands. M. Cal. 8'''-85, rhodium-plated, "fausses côtes" decoration, 18 jewels, lever escapement, cut bimetallic balance adjusted to heat, cold, isochronism and 5 positions, flat balance-spring. Dial, case and movement signed. Diam. 24 mm.

Patek Philippe & Cie, Genève, ?Calatrava?, No. 820612, case No. 294873, retailed by Tiffany New York. Produced circa 1930. Fine, 18K yellow gold, mid-sized wristwatch.

C. three-body, solid, polished, concave lugs. D. matte silver with applied gold Breguet numerals, auxiliary seconds dial. ?Feuille? yellow gold hands. M. Cal. 10 ''', rhodium-plated, ?fausses côtes? decoration, 18 jewels, lever escapement, cut bimetallic balance adjusted for heat, cold, isochronism and 5 positions, Breguet balance-spring. Dial, case and movement signed. Diam. 28 mm.

Patek Philippe & Cie, Genève, ?Calatrava?, No. 927383, case No. 629913, retailed by Freccero. Produced circa 1944. Very fine and rare, stainless steel and 18K pink gold gentleman?s wristwatch.

C. three-body, polished and brushed, pink gold bezel and crown, concave lugs. D. pink, with applied pink gold index-es and Roman numerals, auxiliary ?guilloché? seconds dial. ?Bâton? pink gold hands. M. Cal. 12-120, rhodium-plated, ?fausses côtes? decoration, 18 jewels, lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, self-compensating Breguet balance-spring, micrometric regulator. Dial, case and movement signed. Diam. 31 mm.

Patek Philippe & Cie, Genève, ?Calatrava?, No. 963873, case No. 301771, Ref. 96. Produced circa 1948. Very fine, 18K yellow gold, gentleman?s wristwatch with 18K yellow gold Patek Philippe buckle.

C. three-body, solid, polished and brushed, dedicated back, curved lugs. D. matte silver, with applied yellow gold Breguet numerals and auxiliary seconds dial. ?Feuille? yellow gold hands. M. Cal. 12-200, rhodium-plated, ?fauss-es côtes? decoration, 18 jewels, lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, self-compensating Breguet balance-spring, micrometric regulator. Dial, case and movement signed. Diam.31mm

Patek Philippe & Cie, Genève, ?Calatrava?, No. 1817505, case No. 2867740, Ref. 3796. Produced in the 1980?s. Very fine, 18K white gold, gentleman?s wristwatch with an 18K white gold Patek Philippe buckle.

C. two-body, solid, polished and brushed, flat bezel, concave lugs. D. matte silver with applied white gold indexes, auxiliary seconds dial. ?Dauphine? white gold hands. M. Cal. 215, stamped with the Geneva Quality Hallmark, rhodium-plat-ed, ?fausses côtes? decoration, 18 jewels, lever escapement, Gyromax balance adjusted for heat, cold, isochronism and 5 positions, shock-absorber, self-compen-sating free-sprung balance-spring. Dial, case and movement signed. Diam. 31 mm.

Patek Philippe & Cie, Genève, "Calatrava", No. 967952, case No. 301083, Ref. 2418. Production of this reference started in 1946.Fine and rare, 18K yellow gold gentleman's wristwatch.

C. three-body, solid, polished and brushed, flat bezel, concave lugs. D. black with applied yellow gold indexes, auxiliary seconds dial. "Dauphine" yellow gold hands. M. Cal. 12 '''120, rhodium-plated, "fausses-côtes" decoration, 18 jewels, straight line lever escapement, monometallic balance adjusted for heat, cold, isochronism and 5 positions, self-compensating Breguet balance-spring, micrometer regulator.Dial, case and movement signed.Diam. 30 mm.

Patek Philippe & Cie, Genève, "Calatrava", No. 967373, Ref. 96. Production of this reference started in 1932.Fine, 18K pink gold gentleman's wristwatch.

C. three-body, solid, polished and brushed, flat bezel, concave lugs. D. pink with applied pink gold indexes, auxiliary seconds dial. "Dauphine" pink gold hands. M. Cal. 12 '''120, rhodium-plated, "fausses-côtes" decoration, 18 jewels, straight line lever escapement, monometallic balance adjusted for heat, cold, isochronism and 5 positions, shock-absorber, self-compensating Breguet balance-spring, micrometer regulator.Dial, case and movement signed.Diam. 30 mm.

Patek Philippe & Cie, Genève, "Calatrava", No. 727302, case No. 309769, Ref. 2597 HS (Heures Sautantes). Production of this reference started in 1958.Very fine and rare, two time zone, 18K yellow gold gentleman's wristwatch with two hands.

C. three-body, solid, polished and brushed, flat bezel, concave lugs, band bearing two buttons activating the hour hand forwards and backwards according to the world time, independently by steps of one hour at a time. D. matte silver with applied yellow gold and painted indexes, auxiliary seconds dial. "Dauphine" yellow gold hands. M. Cal. 12-400 HS, stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses-côtes" decoration, 18 jewels, straight line lever escapement, cut bimetallic balnce adjusted to heat, cold isochronism and 5 positions, shock-absorber, Breguet balance-spring, micrometer regulator.Dial, case and movement signed.Diam. 35 mm.

Patek Philippe & Cie, Genève, "Calatrava", No. 1112268, case No. 312672, Ref. 3439. Production of this reference started in 1960.Very fine and rare, water-resistant, self-winding, 18K yellow gold gentleman's wristwatch.

C. two-body, solid, polished, screwed-down case back. D. matte silver with applied gold indexes, auxiliary seconds dial. "Dauphine" yellow gold hands. M. Cal. 27-460, stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses-côtes" decoration, 37 jewels, straight line lever escapement, Gyromax balance adjusted for heat, cold isochronism and 5 positions, shock-absorber, self-compensating Breguet balance-spring, 18K gold rotor.Dial, case and movement signed.Diam. 32 mm.

Patek Philippe & Cie, Genève, "Calatrava", No. 136786, case No. 612617, retailed by E. Bonnard. Produced circa 1930.Very fine, rare, and elegant, stainless steel gentleman's wristwatch with off-center seconds dial.

C. three-body, polished and brushed, flat bezel, concave lugs. D. two-tone silver with painted indexes and Arabic numerals, auxiliary seconds dial on the 9. "Feuille" blued steel hands. M. Cal. 12 ''', gilt brass, 18 jewels, straight line lever escapement "à moustache", cut bimetallic balance, self-compensating Breguet balance-spring.Dial, case and movement signed.Diam. 30 mm.

Patek Philippe & Cie, Genève, "Calatrava", No. 954322, case No. 645782. Produced circa 1950.Very fine and small, water-resistant, stainless steel mid-sized wristwatch.

C. two-body, polished, screwed-down case back, dust protecting cap, flat bezel, concave lugs. D. matte silver with applied steel indexes and Arabic numerals, auxiliary seconds dial. "Feuille" steel hands. M. Cal. 10 '''-20, rhodium-plated, "fausses-côtes" decoration, 18 jewels, straight line lever escapement, monometallic balance adjusted for heat, cold, isochronism and 5 positions, self-compensating Breguet balance-spring, micrometer regulator.Dial, case and movement signed.Diam. 28 mm.

Patek Philippe & Cie, Genève, "Calatrava", No. 1816822, case No. 2859763, Ref. 3796/D. Produced in the 1980's.Very fine, 18K yellow gold, gentleman's wristwatch with an 18K yellow gold Patek Philippe buckle.

C. two-body, solid, polished and brushed, "guilloché" flat bezel, concave lugs. D. matte silver with applied yellow gold indexes, auxiliary seconds dial. "Dauphine" yellow gold hands. M. Cal. 215 ''', stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses-côtes" decoration, 18 jewels, straight line lever escapement, Gyromax balance adjusted for heat, cold, isochronism and 5 positions, shock-absorber, self-compensating flat balance-spring.Dial, case and movement signed.Diam. 31 mm.

Timekeeper with 2 ComplicationsPatek Philippe & Cie, Genève, Calatrava, No. 867310, case No. 65254, Ref. 533, retailed by Freccero in the 1950's.Very fine and rare 18K pink gold gentleman's wristwatch with square button chronograph, register and tachometer, with Patek Philippe 18K pink gold Oyster type bracelet. Accompanied by an Extract from the Archives and original box.

C. three-body, solid, polished, brushed, flat bezel, concave lugs. D. matte pink with applied gold dot indexes and Roman numerals, auxiliary seconds and 30 minutes register dials, outer tachometer, 1/5th second and seconds graduation. "Bâton" pink gold hands. M. Cal. 13'''-130, rhodium plated, "fausses côtes" decoration,23 jewels, lever escapement, cut bimetallic balance, 8 adjustments, Breguet balance spring, micrometer regulator.Dial, case and movement signed.Diam. 33 mm.

Patek Philippe & Cie, Genève, "Calatrava", No. 929210, case No. 2797967, Ref. 96. Production of this reference started in 1932.Very fine 18K yellow gold gentleman's wristwatch.

C. three-body, solid, polished, flat bezel, concave lugs. D. matte silver with applied yellow gold indexes, auxiliary seconds dial. "Dauphine" yellow gold hands. M. Cal. 12 '''-120, rhodium-plated, "fausses-côtes" decoration, 18 jewels, straight line lever escapement, monometallic balance, self-compensating Breguet balance-spring, micrometer regulator.Dial, case and movement signed.Diam. 30 mm.

Patek Philippe & Cie, Genève, "Calatrava", Ref. 96. Production of this reference started in the 1930's.Fine 18K yellow gold gentleman's wristwatch.

C. three-body, solid, polished and brushed, flat bezel, concave lugs. D. champagne with applied gold indexes, auxiliary seconds dial. "Dauphine" yellow gold hands. M. Cal. 12 '''-120, rhodium-plated, "fausses-côtes" decoration, 18 jewels, straight line lever escapement, cut bimetallic balance, Breguet balance-spring, micrometer regulator.Dial, case and movement signed. Diam. 31 mm.

Patek Philippe & Cie, Genève, "Calatrava", No. 700048, case No. 302082, Ref. 2457. Production of this reference started in the 1950's and succeeded to Ref. 96 C.Very fine center-seconds, 18K yellow gold gentleman's wristwatch with an 18K yellow gold Patek Philippe buckle.

C. three-body, solid, polished and brushed, flat bezel, concave lugs. D. matte silver with applied gold Breguet numerals. Yellow gold "feuille" hands. M. Cal. 27SC, rhodium-plated, "fausses-côtes" decoration, 18 jewels, straight line lever escapement, monometallic balance adjusted for heat, cold, isochronism and 5 positions, self-compensating Breguet balance-spring, micrometer regulator.Dial, case and movement signed. Diam. 36 mm.