The Dials include things like sunray and guilloche finishes, and they are usually guarded by scratch-resistant sapphire crystals. Hooked up on the circumstances are buttery-easy Barenia leather straps, typically in the colour within your selecting. ZENITH continues Discovering creative watchmaking remedies though establishing the El Primero into new complications Quartz https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/