With finely engraved skeletonised nickel-finished lever movement, 35 jewels, the skeletonised dial with Roman numerals on blue chapter ring, pierced hands, three subsidiary dials indicating day, date and month combined with leap year indication, sector for phases of the moon, in circular case with ribbed band, downturned lugs, back secured by six screws, together with an 18k pink and white gold Corum concealed deployant clasp, case, dial and movement signed