ULYSSE NARDIN extreme rare, 18k yellow gold chronograph

ULYSSE NARDIN extreme rare, 18k yellow gold intermediate wheel chronograph with complete calendar calibre 23C, manual winding, Switzerland around 1945, 3-piece construction case, snap on case back and bezel, original dial due to age patinated, display of hours, minutes, constant second, day, date, month & chronograph, correction at the sides in case inserted, rare, rhodium plated movement, 17 jewels, screw-balance, with Breguet balance- spring, fausses cotes decoration, diameter approx. 37 mm, condition movement 2, condition case 2-3, from the estate of a collector