Calibre 2236 Is equipped with a Syloxi hairspring that is produced by Rolex and patented. This silicon hairspring incorporates a patented geometry that makes certain the calibre’s regularity in any position. Tissot traces its extensive record back again to 1853, when it absolutely was Started by The daddy-son staff of https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/