Louis Cottier, Genève, No. 6, case No. 211933
Vente aux enchères Antiquorum N°31 - 19 octobre 2002 - Lot N°18
C. Four-body, "bassine", polished, gold hinged cuvette. D. Matte, silvered, outer Arabic revolving chapter ring for 24 hours, World Time chapter ring bearing the name of 32 major cities around the world according to the Louis Cottier World Time Patent. Steel "Dauphine" hands. M. 36 mm. (17 1/2’’’), rhodium-plated, 18 jewels, straight line lever escapement, cut-bimetallic compensation balance with blued steel Breguet balance spring, punched with Seal of Geneva quality hallmarks. Signed on the movement. Diam. 44 mm.