Patek Philippe
A heavy yellow gold open-faced watch with Guillaume balance, ‘Extra’, Circa 1920
Auction Closed
June 5, 07:33 PM GMT
Estimate
5,000 - 10,000 USD
Lot Details
Description
Dial: amber white enamel, Roman numerals, subsidiary seconds
Caliber: guillaume balance, 21 jewels, stamped 'Extra', movement stamped twice with the Seal of Geneva and the movement number
Movement number: 190'999
Case: 18k yellow gold, concealed hinged cuvette and back
Case number: 416'601
Size: 50 mm diameter
Signed: case, cuvette, dial and movement
Box: no
Papers: no
The present watch is of Observatory grade quality with double stamped Geneva Seal and movement number. The Guillaume balance and off white color of the dial is also characteristic of watches submitted to the Observatory in Geneva.