Rare Swiss 18K gold pocket watch with chronograph Circa 1922

Open faced pocket watch by Longines
–
A fine 18K gold Swiss chronograph Compteur with a rare high-speed calibre and with original papers from 1922.
Polished 18K gold case with engraved monogram. Signed enamel dial with black Breguet-style radial hours, outer minutes/seconds track with red Arabic five minutes/seconds numerals, subsidiary dial for the constant seconds, subsidiary dial with jumping 30min counter, blued centre chronograph hand and blued steel pear hands. Rare calibre, high-speed oscillator, column-wheel chronograph with counter.
–
Diameter: 52 mm
–
Weight: 86 g
–
Signed: Longines