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401

12-Sized - 19 Jewels

The 401 movement has 19 Ruby and Sapphire jewels with raised gold settings, double roller escapement, sapphire roller and pallet jewels, polished steel escape wheel, Breguet hairspring, recoil click, gold center wheel and beautifully polished ratchet and winding wheels. It was also temperature adjusted.

 

Grade From To Dates
       
401 H50001 H52000 1930 - 1931
401 H52000 H57500 1931 - 1933