Convert from douzieme [print] to ligne [Swiss]

Unit Definition (douzieme [print])
The douzième is a traditional unit of distance used in watchmaking. The word is French for "twelfth," and a douzième is equal to 1/12 Swiss ligne, about 188 micrometers (microns) or 7.4 mils.

Unit Definition (ligne [Swiss])
A unit of measurement generally used to determine bangle widths. There are forty lignes to the inch.