Description: Gilt brass, back wound, cylinder movement (53mm diameter), multi cocked fourth transitional calibre before introducing the classical Lépine bridged caliber. Polished steel balance, brass cylinder. One bridge for the 3rd and 4th wheel, as well as one bridge for the spring barrel. Lacking motion work and dial, unsigned. Hands are set from the back as in the definitive version.
Antiquarian Horology 