A TWO-COLOUR GOLD OCTAGONAL WRISTWATCH, Cartier, Paris, "CEINTURE", CIRCA 1975

18k, rhodium plated lever movement, 17 jewels, glucydur balance, white matte dial with Roman numerals, secret signature at VII, inner minute track, blued steel sword hands, polished two-colour gold octagonal case, screwed-down case back, case, dial and movement signed, with a gilt Cartier buckle.