The Dials contain sunray and guilloche finishes, and so are normally safeguarded by scratch-resistant sapphire crystals. Connected towards the circumstances are buttery-smooth Barenia leather straps, typically in the colour of the picking. The expression “chronometer” took on a rather broader which means as individual, moveable timekeeping, as represented by pocket https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/