Junghans Model AKind:Production:Type:Variants:Size:Diameter:Height:f:Power reserve:Balance staff:Stem:Mainspring:Reference picture:Case size:Production site: Keyless Lever 19''' 30 h 77 x 53 mmSchwenningen Junghans Haller catalog 1906/1908Haller-Remontoir 19'''30 Hour american style keyless lever.Shortwinder with set hands in front. Images courtesy of Deutsches Uhrenmuseum, Furtwangen