IWC, Schaffhausen. An 18K rose gold center seconds wristwatch
Case no. 1620219, Movement no. 1583881, 1960's
Manual winding movement jeweled through the center, overcoiled spring and shock resistant suspension to the monometallic balance, silvered dial with applied gold dot numerals and Arabic quarters, gold hands, circular case with down turned lugs, case, dial and movement signed. 37.5 mm diam.