The 43mm Moonstruck style case comes in either gold or platinum. Inside, is UN's legendary perpetual calendar movement, the automatic calibre UN-32. This in-house COSC-certified chronometer movement has 34 jewels, a white gold rotor and 45-hour power reserve. The bezel and pushpieces are black ceramic. The El Toro features an exclusive fast-action time-zone system, permanent indication of the original time, forward and backward adjustment of all the date indicators, and the synchronized adjustment of these elements using the hour hand. Limited to 500 pieces worldwide.