Patek Philippe No. 9 Antique-Vintage Tonneau Shaped Watch; Circa 1917 Calatrava The case is generally clean

The case is generally clean and free of any major marks apart from a few hairlines on the case and back

This Patek Philippe 5107G Calatrava  watch features a self-winding movement with date and sweep second hand

There has been approximately only 750 examples made in total

During its more than thirty years of production

Measurements:  37 x 25mm

Patek Philippe No. 9 Antique-Vintage Tonneau Shaped Watch; Circa 1917 Calatrava The case is generally cleanIntroduction: Patek Philippe Antique Vintage Early Tonneau curved watch; The watch is made in a 14 Karat yellow gold curved case measuring 25 x 45mm. The watch was made in 1917 with a 10" line caliber movement # 188243, case # 600249. The dial is Guilloche sterling silver with black enamel numerals. The case is hinged with strong deep hallmarks. The watch is accompanied with an extract certificate from the archives confirming its date of manufacture