Paul Bernard Vogel developed the watch company that is now based in what country?
Solvil et Titus Solvil et Titus (or Solvil & Titus) is a formerly Swiss, now Hong-Kong-based, watch company, founded in 1887 in La Chaux-de-Fonds, Neuchâtel, Switzerland by Paul Ditisheim and developed by Paul Bernard Vogel.
Vacheron Constantin Vacheron Constantin (] ) is a luxury Swiss "manufacture" of prestige watches and a brand of the Richemont group. It employs around 1,100 people worldwide, most of whom are based in the manufacturing plants in Geneva and Vallée de Joux. It is an active member of the Federation of the Swiss Watch Industry FH.