The Dials include sunray and guilloche finishes, and are always protected by scratch-resistant sapphire crystals. Attached to your cases are buttery-clean Barenia leather-based straps, generally in the colour of one's picking. Thank you once more for choosing Watches World! We remain at your service for anything at all further more https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/