Vintage Rotary 21 Jewels, self-winding wristwatch movement in wonderful cosmetic condition. Cal AS 2063. Complete with winding stem and button, all hands and fitted gilt-brass spacer ring. Mint/virtually mint condition with only a few small surface marks. Fully functional with quick-change date facility. No mechanical issues apparent. Please note the movement has not been recently serviced and has not been tested for run-time or accuracy of timekeeping - thus, strictly sold as spare parts with no warranty.  Diameter 29 mm, excluding winder stem and button.