The Portuguese Tourbillon Mystère Rétrograde is a captivating luxury watch that features a flying tourbillon and retrograde date display. At the end of each month, the date display automatically resets to its initial position, adding a touch of mystery. The impressive seven-day power reserve indicator shows how much energy is left in the IWC-manufactured 51900 calibre. This limited edition timepiece comes in both red gold and platinum, making it a must-have for watch enthusiasts.