To actually recognize the finer aspects of the timepiece, OMEGA takes advantage of artificial sapphire crystal with a hugely scratch-resistant and anti-reflective cure. Ahead of the machining and ending procedures take place, the sapphire crystals are made underneath the Verneuil approach, also known as flame fusion. The Rolex Submariner 124060, https://www.watchesworld.com/top-10-dive-watches/