K haring Vintage collector item pop Art swatch watch

vintage breakdance swatch watch only 10000 made 1980s true pieces of pop art collector item I've seen them sell for 900+ up needs battery there are light scratches, I am a collector since 1988, I was a member of the swatch club. the scratches can b buffed w the softest sandpaper it's black. no box fair condition price reflects this at the very bottom there is the earth day just face .any ?s