The Dials incorporate sunray and guilloche finishes, and therefore are usually shielded by scratch-resistant sapphire crystals. Attached on the instances are buttery-sleek Barenia leather-based straps, usually in the colour of the selecting. The time period “chronometer” took on a rather broader this means as particular, portable timekeeping, as represented by https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/