Manufacturer/Manufaktur: Patek Philippe, Geneva. Year/Jahr: 1956. Reference No./Referenz-Nr.: 2573. Movement No./Werk-Nr.: 745 053. Calibre/Kaliber: 10-200, manual-winding/Handaufzug. Case No./Gehäuse-Nr.: 423 540 (by Eggly & Cie, Geneva; key No.23). Material: 18K yellow gold/Gelbgold. Braclet-Strap/Armband: Brown leather strap/Rotbraunes Lederarmband. Clasp-Buckle/Verschluss: Gilded brass buckle/Vergoldeter Messingverschluss. Dimensions/Grösse: ø 33 mm. Signed/Signiert: Dial, case, movement/Zifferblatt, Gehäuse, Werk. Accessories: Extract from the Archives/Archivauszug.
Round-shaped gentleman's wristwatch with subsidiary seconds at 6. Polished three-piece case with snap-on case-back. Silver colour dial with radial applied yellow gold and black painted indexes. 10-200 calibre, lever espcapement, Glucydur screw-balance, self-compensating Breguet hairspring, index regulator with swan-neck spring and micrometric screw, adjusted to heat, cold isochronism and 5 positions, Geneva seal.
Herrenarmbanduhr mit Kleiner Sekunde bei 6-Uhr. Poliertes, dreiteiliges Gehäuse mit Sprungboden. Silberfarbenes Zifferblatt mit Stabindizes. Werk mit Ankerhemmung, Glucydur-Schraubenunruh, Breguet-Spirale und Rückerzeiger mit Schwanenhals- und Mikrometer-Feinregulierung; Regulierung in 5 Positionen sowie auf Hitze, Kälte und Isochronismus, Genfer Siegel.
Bibliography: Patrizzi 2010, vol. 2, p. 196 (No. 824, similar watch).
The Patek Philippe Reference 2573 is launched in 1956 and remained in production until the early-1970s. The majority in yellow gold, more rarely in rose gold, even rarely in white gold or platinum. Around 500 examples were produced, some with integrated bracelet.
