The Dials include sunray and guilloche finishes, and so are often protected by scratch-resistant sapphire crystals. Hooked up for the circumstances are buttery-clean Barenia leather straps, generally in the colour of one's deciding upon. Racing watches can are available in quite a few sorts and take inspiration from various eras, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/