With finely hand-engraved nickel-finished lever movement 40 jewels the pierced and engraved rotor depicting the logo GG minute repeating on two polished steel hammers the skeletonized sapphire crystal dial with luminous dot numerals luminous hands four subsidiary dials indicating date month combined with leap year date and phases of the moon in octagonal water-resistant-type case with raised bezel glazed display screw back repeating mechanism activated by depressing a rectangular button in the band platinum Gerald Genta link bracelet and hidden clasp case dial and movement signed