Brand Patek Philippe, Geneva
Model Split-Seconds
Year circa 1946
Reference 1436 J (1st series)
Movement No. 863 957
Calibre 13-130 CC R, manual-winding, 25 jewels
Case No. 655 636 (by Emile Vichet, Geneva)
Material/s yellow gold (18-carat)
Bracelet leather strap
Buckle yellow gold (18-carat) pin-buckle, signed
Dimensions Ø 33.- mm. 42.2x 33.- mm.
Thickness 11.5mm
Weight 45.gr. (approx.)
Signature dial, case and movement
Accessories original fitted box; Extract from the Archives Patek Philippe
Ref. 1436 J (1st series), chronograph, split-seconds, 30-minute counter, tachometer scale, ‘Calatrava’-type case, concave bezel, silver dial, Arabic numerals; nicknamed ‘Split’ or ‘1-4-3-6’ by collectors; yellow gold (18-carat) --
A split-seconds chronograph ‘Calatrava’ wristwatch, with silver dial and tachometer scale --
Yellow gold (18-carat), manual-winding, round-shaped, gentleman’s wristwatch, with subsidiary seconds at 9 o’clock and three horological complications:
• 1/5 second chronograph (activated by the two rectangular-shaped push-pieces located on the case-band; start, stop and return to zero functions) with tachometer scale graduated on the dial for 1 000 units per hour
• Split-seconds (activated by the crown; stop and catch-up or reset to zero functions)
• Half-instantaneous 30-minute counter (subsidiary dial at 3 o’clock) --
Case: three-piece, polished, cylindrical case-band, concave bezel, ‘tortoise’-shaped concave lugs, snap-on case-back; polished crown. Dial: silver colour, with yellow gold applied suspended Arabic numerals (6-12) and radiating indexes, external minute track divided five by five with black painted radiating lines, external second track divided with 1/5th of a second with black painted radiating lines; yellow gold ‘Feuille’ leaf-shaped hands. Movement: calibre 13-130 CC R (ébauche by Valjoux), manual-winding, 25 jewels, rhodium-plated with ‘fausses côtes’ decoration, going barrel, straight-line lever escapement, cut bimetallic compensated balance with gold poising screws, blued steel hairspring with terminal curve, polished steel index-regulator with spring and micrometric screw, eight adjustments; chronograph work and split-seconds work on the top plate. --
The Extract from the Archives, dated March 11, 2019, mentions that this watch was made in 1946 and sold on October 28, 1949.
