Gerald Genta. Hold An 18ct yellow gold perpetual calender bracelet watch, Ref. G3010.4, No. 51798, 1980's Automatic 33 jewel movement, circular skeleton case, luminous dot indexes and baton hands, dials for phases of the moon, perpetual calendar, leap-year indication, months, days of the week, date, water resistant, fitted maker's gold bracelet with concealed folding clasp, case, dial and movement signed.