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mechanical movements for a long time. Indeed the use of steel ball-bearings poses a certain number of problems linked mostly to the the lubrication required for their smooth functioning. In order to resolve these problems Technomari, Girard-Perregaux was one of the first watch brands to develop and install ceramic ball-bearings Other Swiss Chanel Ceramic Franck Muller Patek Philippe Raymond Weil,all-bearings have been a key element in automatic, the accelerated aging and wear of the bearings Replica Rolex U-boat Ulysse Nardin, especially when oil is lacking and the production of particles creates a risk of pollution to the movement. These need no oiling at all and make the movement even more efficient. Replica Omega Vacheron Constantin Rado
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