J. Th. Winnerl, Paris

The target is the historical Paris workshop of Joseph Thaddäus Winnerl, distinct from Bernhard Zwinz’s explicitly described modern Winnerl revival.

The modern heritage biography dates Winnerl’s Paris business to 1832 and describes marine chronometers, precision pocket watches and clocks.

The same account places Winnerl at Breguet in Paris from 1829, after work with several European masters.

The 1799 date used in modern Winnerl branding is the maker’s reported birth year, not the establishment date of the Paris business.

Sources disagree on early split-seconds dates: Winnerl’s heritage page separates stoppable seconds in 1831 from two superimposed hands in 1838; Seiko Museum puts the two-hand mechanism in 1831.

The revival’s history reports appointments as clockmaker to Paris Observatory in 1850 and expert clockmaker to the Navy in 1873.

Zwinz’s site expressly dates his decision to revive Winnerl to 2018; it does not claim an unbroken nineteenth-century operating company.

Zwinz’s interview describes his own L’Atelier de Joux established in 2004 and identifies historical Winnerl chronometer No. 80 as an inspiration.

The modern interview describes newly specified parts, largely manufactured by Andreas Strehler; those modern sourcing details cannot be assigned to the historical Paris workshop.

The historical importance is precision and elapsed-time mechanisms; the inspected evidence does not settle every invention-priority or return-to-zero claim.