 F.P.Journe participated in the Only Watch auction for the first time in 2015, submitting the Tourbillon Souverain Bleu - a tourbillon watch based on the Chronomètre Bleu, including a chrome blue dial and a tantalum case, the latter which is very rare for a tourbillon.As with the standard Tourbillon Souverain, it features an in-house rose gold movement and "remontoire d'egalite", as well as dead beat seconds.