The Dials involve sunray and guilloche finishes, and are usually protected by scratch-resistant sapphire crystals. Hooked up into the conditions are buttery-easy Barenia leather straps, generally in the color of the picking. I purchased a watch from Watches World and the method was Excellent the whole way. Both Flavio and https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/