Arnold & Son caliber A&S1001

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