Rey-Pailhade clock

A decimal clock built in the 1890s, dividing the day into 100 parts. Midnight is a the bottom and there is only one hand. 

J. de Rey Pailhade (designer)

Decimal System Wall Clock, Systeme J. De Rey Pailhade 

L. Leroy & Cie, Paris: c. 1890s

Enamel face, gilt hour hand, glazed lid, mahogany case

21.5 inches diameter

Source