The Dials consist of sunray and guilloche finishes, and are often safeguarded by scratch-resistant sapphire crystals. Attached to the conditions are buttery-clean Barenia leather-based straps, typically in the colour within your deciding on. This was the result of intensive R&D because of the Manufacture, which envisioned a modern production method https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/