Harry Winston Midnight GMT Tourbillon 18k Rose Gold ref:450/MATTZ45R, limited to only 20 pieces Retail $ 186,450 Colector owned, LNIB 99% excellent condition, 100% Authentic.Comes with Box and Manual, as seen in photos. Crafted in 18K Rose Gold round case with fixed bezel, snailed dial with ex-centered hours and minutes sub-dials, open-work tourbillon and small seconds at 6 o’clock, GMT display with day/night indication at 9 o’clock & 2nd time zone city at 11 o’clock. Self-winding mechanical movement with about 110 hours of power reserve. Black crocodile leather strap with 18K Rose Gold deployment buckle. Water resistance is up to 30m / 99ft. There’s two time displays positioned at 3 o’clock (primary) & 9 o’clock (world-time) There is also a day/night indicator & reference city indicator working in conjunction with world-time display. It is also notable to mention the GMT has a phenomenal power reserve of 110 hours. This complex mechanism has 34 rubies & operates at a frequency of 28,800 alt./hour.