The Dials contain sunray and guilloche finishes, and therefore are always safeguarded by scratch-resistant sapphire crystals. Connected on the situations are buttery-easy Barenia leather-based straps, typically in the color of your choosing. Chronographs — with their bezels, scales and sub-dials — in many cases are considered to be as well https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/