Brand Patek Philippe, Geneva
Model so-called “Grande Calatrava Waterproof”
Year circa 1955
Reference 2508 J HL (Heures Lapidées) (2nd series)
Movement No. 703 711
Calibre 27 SC, manual-winding, 18 jewels
Case No. 688 … (by Borgel Taubert, Geneva)
Material/s yellow gold (18-carat)
Bracelet black leather PP strap
Buckle yellow gold (18-carat) PP pin-buckle
Dimensions vØ 34.9 mm. 43.2 x 34.9 mm.
Thickness 11.1 mm.
Weight 52.5 gr. (approx.)
Signature dial, case and movement
Accessories Certificate of origin -- Patek Philippe
Ref. 2508 J HL (2nd series), water-resistant, centre-seconds, silver dial; so-called “Grande Calatrava Waterproof”; yellow gold (18-carat) Yellow gold (18-carat), manual-winding, round-shaped, gentleman’s wristwatch, with centre-seconds. Case: two-piece, polished, concave lugs, stepped inclined flat bezel, water-resistant with screwed case-back; polished crown. Dial: silver colour, with yellow gold applied radiating lapidated indexes; external minute track divided five by five with “perlé” beaded dots; yellow gold “Dauphine” hands. Movement: calibre 27 SC, 18 jewels, Glucydur screw-balance, self-compensating Breguet hairspring, adjusted to heat, cold isochronism and 5 positions, polished steel index-regulator with swan-neck spring and micrometric screw, Geneva Quality Hallmark (“Poinçon de Genève” / Geneva Seal); movement protected by a cap against dust and humidity. The original Certificate mentions that this watch was sold in Geneva. From the 1950s to the 1990s, Patek Philippe’s Certificates of Origin bore a four-letter code corresponding to the watch's date of manufacture (end of production, ready for delivery to the customer). In this case, the letters “PKHH” correspond to April 1955.
