Patek Philippe

DIAM: 91 mm

A very rare, large, stainless steel display desk clock with hack feature and power reserve
Accompanied by the original walnut presentation box signed Patek Philippe&Co, Geneve
Made circa 1915
Movement No. 170424, “Extra” Quality, Breguet-balance spring, whiplash precision index adjuster, wolf’s tooth winding, hacking feature activated by pressing a button at “4 o’clock”, seal of Geneva. Case stamped F.B. (Frères Borgel). The inside of the case carries the trademark of the Borgel com- pany, François Borgel’s initials “FB” above a key, the symbol of the city of Geneva where Borgel had his watch case factory