Extremely rare 18k yellow gold pocket watch, white enamel dial with black numerals.
Manual winding movement Cal. 19″, Guillaume bi-metallic balance, Extra Quality.
Geneva Seal Hallmarks.
Diameter: 49mm.
Weight: 100,71g approx.

Original Observatory Certificate from 1926 and original Patek Philippe box.
Case, cuvette, bow, movement and dial signed Patek Philippe.
This pocket watch is accompanied by an 18k yellow gold chain, unsigned (22,64g approx).

This watch was awarded third prize at the 1926 Geneva Observatory timing contest.
Original certificate is 54 x 40 cm and in superb condition.