Patent ID: 8366314

Claim:
Manual device for adjusting and/or controlling a function of a timepiece comprising a case ( 2 ) housing a horological movement, said manual device comprising a rod ( 3 ) and a retractable crown ( 4 ) mounted in said case, in which manual device the crown comprises a cylindrical body ( 16 ) having a blind cylindrical hollow ( 5 ) surrounding a tubular passage ( 6 ), the tubular passage ( 6 ) designed to surround said rod ( 3 ) and connect the rod ( 3 ) kinematically in rotation to the crown ( 4 ), at least one elastically deformable means ( 8 ) to urge the crown outwards relative to the case ( 2 ), a base ( 10 ) in the shape of a cylindrical cover designed to be fixed into the case and traversed by said rod ( 3 ), and an indexing structure ( 11 , 12 , 13 , 14 , 15 ) attached to said base ( 10 ) to index an indexing ring ( 15 ) coupled translationally, but free in rotation, to an end of said tubular passage ( 6 ) of the crown, wherein the indexing ring ( 15 ) is caused to rotate and alternate between a rest position and a working position upon each successive application of pressure to depress the crown.