Tag heuer has launched a revolutionary concept watch which was shocking in the watch industry. Monaco V4 mechanical watch has subverted the basic principles of the manufacture of watches, and it used the driving belt and ball bearing instead of the traditional gear and gear shaft. With the assistance of the watchmaker Philippe Dufour, this bold move of the Tag Heuer Monaco V4 surprised all the people and at the same time also inspired countless praise, arguments and problems. Gear shaft separated each other: is this the real watch-making technology breakthrough, or just a marketing gimmick? The concept Monaco V4 watch made anyone have to care about.

After 36 months and thousands of hours of design, simulation, and the final assembly, tag heuer again brought with Monaco V4 back to the Basel and horological exhibit in the world in 2007. This time, Tag Heuer not only brought a test after a period of one year, which had the excellent performance of the sample list, and has confirmed that toothed driving belt can replace the gear and gear shaft, but also brought some trial produced works, and showed the resulting architecture concept of the movement. So what time can finish it? In front there was still a long way, because Monaco V4 belonged to replica tag heuer monaco, which meant that it would also the same the most watches that won much reputation for the Tag Heuer brand since 1860, and it needed to develop the best quality and performance.

For the Monaco V4, In order to comply with strict norms of quality department, engineers of Tag Heuer decided to reduce the number of toothed driving belt, at the same time refined further on it in order to enhance the efficiency and flexibility. Now, there assembly a large number of complex ISO driving devices inside the movement, which makes the Tag Heuer Monaco V4 have the energy efficiency that is higher than the traditional mechanical movement.