Calibre 2236 Is equipped which has a Syloxi hairspring that is made by Rolex and patented. This silicon hairspring contains a patented geometry that makes certain the calibre’s regularity in any situation. At age 7 Allen fell in adore which has a Timex boy's dive observe his mothers and fathers https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/