This rare Chelsea wall clock is  from the late 1920's, serial # 186821. The dial measures 10 inches, see pictures for other measurements.  No sag in door, button clasp works fine.   Weight is 24 lbs.  Comes with a perfectly fitted solid walnut trim ring and original key.  The clock is unrestored but in well maintained working condition.  Originally sold by Tiffany.  Same owner for 20 years, purchased from private collector.  Shipping to US only.  Thanks for looking!