Calibre 2236 Is equipped that has a Syloxi hairspring that is made by Rolex and patented. This silicon hairspring features a patented geometry that ensures the calibre’s regularity in any situation. Located in Henley-on-Thames, Bremont Watches have managed to put together an genuine tackle pilot watches. Initially Launched in 2002, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/