It is based on the manual Valjoux 7730 chronograph (itself derived from the Venus 188). Often reported to be one of the first movements created with the aid of the computer, the Valjoux 7750 was designed by Edmond Capt. A mid-1980s Tissot PR Chrono (PR standing for Precise and Robust) chronograph powered by the 7750 In the 1960s, it was time for the chronograph to modernize itself, by adding the practicality and comfort of automatic winding. Indeed, if chronograph wristwatches have existed since the beginning of the 20th century, all of them were fitted with hand-wound movements until 1969. The Valjoux 7750 was created in the early 1970s as the company’s answer to the advent of the automatic chronograph, to catch pace with its competitors following the introduction of movements such as the Zenith El Primero, the Heuer/Hamilton/Breilting Calibre 11 or the Lemania 1040. Today, as the result of successive consolidations of movement manufacturers in the Swiss watch industry, Valjoux has been absorbed by the Swatch Group, more precisely into powerhouse ETA. The company’s movements powered the products of some of the most prestigious brands (Patek Philippe, Audemars Piguet, Rolex or Vacheron Constantin to name a few) for decades. Valjoux (which stands for Vallée de Joux, a historically important location for the Swiss industry) was a manufacturer of mechanical movements, specialising in chronographs. This brings us here, with the calibre reference A05.231, the latest evolution of the 7750 that Tissot has incorporated in its lovely vintage-inspired watch. The movement has also been updated in the frame of continuous optimisation, in particular, by incorporating modern technologies to evolve in synchrony with the times. In its 50-year history, the Valjoux calibre has naturally evolved, with different variants, functions, and layouts. This precise, tried-and-tested workhorse was created in the early 1970s. The watch’s bi-compax layout comes courtesy of a legendary chronograph calibre, one of the most widely-used movements in the industry, the ETA-Valjoux 7750. This will open a drop-down menu with a list of options, from which we select “Export or import all Calibre data “.Just yesterday, Tissot introduced a lovely and affordable vintage-inspired chronograph, the Telemeter 1938. To do this, we are going to click on the “Calibre Library” icon that we find in its upper toolbar. In this way, we can keep all our content safe and prevent it from being lost. This popular e-book manager has a function that allows, on the one hand, the export of all the content and, on the other hand, the import of these, so it can be very useful for making backup copies. Once again the three available options will appear, so we select “Move the current library to the new location” and click “OK”.
Later, click on the “Calibre Library” button and on the “Change or create library” option. In this case we select the path of the device where we have saved it before. The first time we open it, the program itself will ask us from which path we want to create or use the library. Once we have saved the library off the old hard drive, we can now open Calibre on the new computer. This is ideal both to make a backup copy of all the content of the program (book, settings, add-ons, etc), or to export it to a new computer. On the other hand, we can choose the option to “Export/Import” all Calibre data. This can be interesting if, for example, we have two hard drives and the one with our collection is getting full, so we decide to move the content to another drive. On the one hand, we can choose to move the library of books to another location. The program offers us two clearly differentiated options. Although it is not easy to locate these tools, they are very interesting and will allow us to save and export our library regardless of the computer we are using. This makes it a bit difficult for us to find these functions.
Despite being one of the best applications in terms of book management, the truth is that it is still not as intuitive as it should be. And it is that, among the functions of Calibre, we will find this possibility, although it is quite possible that we do not know it.
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