The Dials contain sunray and guilloche finishes, and are always protected by scratch-resistant sapphire crystals. Connected to the conditions are buttery-sleek Barenia leather straps, usually in the colour of your respective picking out. Declaring the winner in the race to develop the initial automated chronograph in 1969 is contentious business, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/