The Dials contain sunray and guilloche finishes, and therefore are always safeguarded by scratch-resistant sapphire crystals. Attached for the instances are buttery-sleek Barenia leather straps, often in the colour of one's choosing. Declaring the winner from the race to create the main automatic chronograph in 1969 is contentious organization, so https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/