Muehle glashuette watch m 29 classic kleine sekunde since 1869 muhle glashutte is all about precise measurement already at the end of the 19th century robert muhle created measuring devices capable of measurement accuracy to within hundredths or even thousandths of millimetres in order to read these values precisely the millimetres were displayed by a small macro dial gauge and the large micro dial gauge made the fractions of the measuring unit visible the new m 29 classic kleine sekunde