European Watch Clock and Jewellery Fair 1991 BF 205
Two “skeleton” type “Heptagone Dress” models from the GMT Gold Collection. With extra-thin movements entirely openworked by hand, protected by a seven-sided water-resistant case. One is in 18K yellow gold with polished bezel the other in 18K white gold with diamond-set bezel. Yellow or white gold zone dial featuring Roman numerals. Exclusive line numbered on the face. (GMT GOLD COLLECTION “Heptagone Dress”)