PATEK PHILIPPE INDEPENDENT SWEEP SECONDS WITH 1/5TH SECOND DIABLOTINE
Patek Philippe & Cie, Genève, No. 27331, case No. 27331. Made in 1868, sold on June 12th, 1882.
Very fine and extremely rare, large, heavy 18K yellow gold hunting cased keyless pocket watch with
tandem-wound two-train movement independent sweep center-seconds "chronograph" and 1/5th
second diablotine making one revolution per second. Accompanied by the extract from the archives
Massive, four body "bassine et filet", polished, button in the nand at 1 for the start/stop of the
seconds and diablotine. Hinged gold cuvette.
White enamel dial with Roman numerals, outer minute track and fifths of a second divisions
with Arabic five-second numerals, subsidiary 1/5 of a second dial. Blued steel spade hands.
20"', matte gilt brass, double level two-train movement with tandem winding, 33 jewels, counterpoised
straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet
balance-spring, independent seconds and "diablotine" released simultaneously, stopped and locked
by a push piece and a bolt on the band.