Famous watchmakers

Joseph-Thaddeus Winnerl

1799 - 1886

Joseph-Thaddeus Winnerl © mhe

Austrian chronometer maker.

Established in Paris.

Construction of chronometers and an astronomic Clock for the Paris Observatory.

Key dates


Invention of a first split second chronograph mechanism (one-hand split second system).


Invention of a second split second mechanism (system with two chronograph hands) including a split time counter with a heart-shaped cam used to reset the chronograph hands.