Good nickel double back case, the cuvette (dome) fully stamped with medals awarded in Barcelona in 1929 and in Liege in 1930. Typical Roskopf three-quarter plate keyless movement with visible winding wheels, stamped with both Swiss and French Patents. Pin-pallet detached lever escapement. Plain balance and non-magnetic balance-spring. Perfect two-colour signed enamel dial, original ‘Louis’ style gilt hands. 52.5 mm diameter.
Dubois Fréres & Cie, successors de Alexandre Dubois, La Chaux-de-Fonds. At this period the firm specialised in the selling of Roskopf watches.
A Rosskopf, La Chaux-de-Fonds, manufacturing watches on the design of George Frederic Roskopf – see the book Pin Lever Watches by Cutmore (Max Bacon) for a good history of these not uninteresting watches. Swiss Patent No 13436, French Patent Nos 90517 and 116858.
In ‘as new’ condition and not cleaned by me because of this, but with one broken case screw – the reason it was never sold? Not cleaned by me but will tick when wound.