Like in the description, I am now a one shop place for Dueber Hampden parts. New Old Stock, 16s Balance Wheel with new staff and roller table with jewel. This will work with 7 through 23 jewel watches. MODEL 1 & 2. When you order, please give me model # and what size pivots you would like. It comes with pivot 11, 12, 13. Shipped in a tin for protection.