Description
Arnold & Son manufacture movement, hand-wound, 21 jewels, diameter 30 mm, thickness 2.7 mm, power reserve 90h, double barrel, 21,600 vibrations/h. Movement decoration: nickel-silver movement, rhodium treated with Haute Horlogerie finishing: hand-chamfered bridges with polished edges, fine circular graining and Côtes de Genève rayonnantes, blued screws with bevelled and mirror-polished heads