The Dials contain sunray and guilloche finishes, and are usually guarded by scratch-resistant sapphire crystals. Connected for the situations are buttery-clean Barenia leather straps, generally in the colour of your picking out. ZENITH carries on Discovering Inventive watchmaking methods although creating the El Primero into new difficulties Flyback: A type https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/