Brand Patek Philippe, Geneva
Model so-called “Calatrava” “Acuatic” or “Vacuum”
Year circa 1956
Reference 2451 J HL (Heures Lapidées)
Movement No. 746 180
Calibre 10-200, manual-winding, 18 jewels
Case No. 692 802 (by Borgel Taubert, Geneva)
Material/s yellow gold (18-carat)
Bracelet black leather strap
Buckle gilded metal pin-buckle
Dimensions Ø 30.6 mm. 38.2 x 30.6 mm.
Thickness 9.1 mm.
Weight 38.2 gr. (approx.)
Signature dial, case and movement
Accessories Extract from the Archives -- Patek Philippe
Ref. 2451 J HL, water-resistant, silver dial; so-called “Calatrava” “Acuatic” or “Vacuum”; yellow gold (18-carat) Yellow gold (18-carat), manual-winding, round-shaped, gentleman’s wristwatch, with subsidiary seconds at 6 o’clock. Case: two-piece, polished, concave lugs, inclined bezel, water-resistant with screwed case-back; polished “Calatrava” crown. Dial: silver colour, with yellow gold applied radiating lapidated indexes; yellow gold “Bâton” hands. Movement: calibre 10-120, 18 jewels, free-sprung Gyromax 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 Extract from the Archives, dated October 3, 2022, mentions that this watch was made in 1956 and sold on April 12, 1957.
