Cal. 31000 highly engraved nickel-finished lever movement decorated with foliage and grapes 57 jewels pierced and engraved rotor depicting the letters GG flanked by foliage minute repeating and grande and petite sonnerie and Westminster chime on four hammers onto four gongs mother-of-pearl and red printed dial with applied luminous and diamond-set dot and gold Arabic numerals luminous hands four fan-shaped sectors for silence/strike power reserves for each the movement and the striking mechanism grande/petite sonnerie subsidiary seconds octagonal massive case stepped bezel dial overlaid by a gold grille glazed display back secured by eight screws repeating mechanism activated by depressing a button in the left band two additional crowns for the setting of silence/chimes and grand/little sonnerie functions 18K pink gold Gérald Genta link bracelet and hidden clasp case dial and movement signed