Gerald Genta, Very Fine Octo Bi-Retro, Pink Gold Jumping Hour With Bi-Retrograde Minutes And Date, Ref. OBR.X.50 Case: 43 mm, 18k rose gold, two body, polished and brushed, transparent case back secured with screws, black onyx set crown, 120996 Dial: red, gold and black, white Arabic numerals, rose gold hands Movement: GG 7722, rhodium finish, self-winding, 26 jewels, adjusted to heat, cold and five positions Band: original alligator band and large 18k rose gold folding buckle Signed: Gerald Genta Geneve HID03101062020 © 2020 Heritage Auctions | All Rights Reserved