20th Century Advertising Key-holder Watch
Inventory Number: PW2206003
Made circa 1960 in Switzerland by Girard-Perregaux, 40.7 mm diameter. Gilded case incorporated a key-holder in the shape of a Pirelli tire, which can be used as a keychain. Probably made by Girard-Perregaux for Pirelli for advertising use. The dial is signed Girard-Perregaux and marked PIRELLI on the outer rim of the tire.
Manual winding C-63 movement, 17 jewels, lever escapement.
Functions: hours and minutes.