Cal. 2121 nickel-finished lever movement 37 jewels 21K gold rim to the rotor the engine-turned champagne dial with applied luminous gold baton numerals luminous gold hands window for date in tonneau-shaped water-resistant-type case with screwed octagonal bezel screw down crown the back secured by eight screws 18K gold Audemars Piguet link bracelet and 18K white gold deployant clasp case dial and movement signed