Orient “Grand Prix 100” TriostatModel: Orient Grand Prix 100 Triostat Year: 1964 Features: The History. Before the Seiko acquisition in the early 2000s, Orient competed head to head with Seiko and Citizen in Japans domestic market. While it was often seen as the underdog of the three, that never stopped Orient from creating some truly iconic pieces. Look no further than the watch on offer today the Grand Prix 100. The Jewels. One of the first watches in the world to feature a 100