Eterna, a famous Swiss watch brand, owes its birth to an economic crisis, that took place in Switzerland in the middle of the XIX century. To revive the economy, the city council of Grenchen, a small Swiss city, decides to develop watchmaking industry. For the allotted treasury funds Joseph Girard and his brother Juseb Girard set up a watch movements workshop, called “Girard Frères & Kunz”. But du…