Calatrava 2508

Large centre-seconds Calatrava launched in 1951 with a screw-down back for water resistanceWater resistanceA watch’s ability to resist water entering its case under specified conditions, often stated as a pressure or equivalent depth. Seals can deteriorate and the crown can be damaged, so an original rating does not establish a vintage watch’s present resistance. – rare in vintage Patek – and downturned lugs like the 1463 chronographChronographA watch function for starting, stopping and resetting an elapsed-time measurement independently of the ordinary time display.’s. Taubert case; cal. 27 SC. Made for about ten years.