GOLD UNIVERSAL GENEVE WITH FULL CALENDAR REF. 51307, 50S Three body circular 14K gold case, n. 1230114, curved lugs, slopped bezel, snap on back with engraved inscription “Ottobre 1955”, Universal crown and correctors on the band. Not original 18K gold bracelet. 
Gilded dial signed, printed triangular and Arabic indexes, minute with 1/5th of second division, subsidiary dials for seconds, the date and the month with aperture for the moon phases, upper aperture for the day of the week. Blued feuille hands.
Signed manual winding movement, nickel-plated caliber 291, n. 271585, 17 jewels, lever escapement, monometallic balance with screws, Breguet hairspring.
Diameter Ø: 34 mm | Weight: 77,3 g
Note: to be serviced; reprinted dial.