Tissot “Chrono Janeiro” Z199Model: Tissot Chrono Janeiro Z199 Year: 1996 Limited Edition: 3333 Pieces Features: The Origin. In the 1930s, to help weather the Great Depression, Tissot, Omega and Lemania formed the SSIH Group an alliance that would eventually evolve into the Swatch Group. Tissot quickly began fitting their own chronographs with the Lemania Calibre 15LT, while Omega chose to redevelop it into its own in house Calibre 33. 3. The resulting chronographs were distinct,