A&S8000 NAC Engraved

Exclusive Arnold & Son mechanical tourbillon movement, hand-Wound, 19 jewels, diameter 32.6 mm, thickness 6.25 mm, power reserve 80 h, 21'600 vibrations/h. Movement decoration: hand-engraved nickel silver movement, rhodium treated bridges and NAC grey treated main plate with Haute Horlogerie finishing: manually chamfered bridges with polished edges, hand-engraved, fine circular graining, screwed gold chatons, mirror-polished tourbillon cage and bridge, screws with bevelled and mirror-polished heads.