There is no one definitive answer to this question as the accuracy of Cote D Azur watches can vary depending on a number of factors. However, in general, these watches are known to be quite accurate, often keeping time within a few seconds of the actual time. This makes them an excellent choice for those who need a reliable watch that won't let them down. Of course, like all watches, they will eventually need to be serviced or replaced in order to maintain their accuracy. But overall, Cote D Azur watches are well-regarded for their accuracy and make a great option for anyone in the market for a new watch.