Bell & Ross Aviation BR-01 Tourbillon BR01-TOURB-PG/CA 18k Rose Gold/Titanium LTD 20pc Retail $179,000 Collector Pre-Owned/Ex-Condition 100% Authentic, comes with Box and Papers, as seen in photos. Swiss made Bell & Ross Aviation BR-01 Tourbillon BR01-TOURB-PG/CA crafted 18K Rose Gold and Black Titanium with DLC ((Diamond Like Carbon) finish, virtually uncatchable) square shaped case with Carbon Fiber side case inserts measuring 46x 46mm diameter. Fixed Solid 18k Rose Gold Bezel bezel. Automatic movement, power reserve up to ±120 hours /5days. Displays a Black Carbon Fiber and Gold dial / index and Arabic numeral hour markers, covered in a photo-Luminescent Coating applied to the skeletonized or central areas on the Gold hands, central sweep seconds hand, minute track at outer rim. . Small Hours Counter Sub-Dial at 12 o'clock, optimum accuracy Indicator (Trust Index) at 3 o'clock- Five-day power reserve indicator at 9 o'clock seconds Tourbillon carriage with black gold finish at 6 o'clock. Solid 18k Rose Gold & Rubber Screw Down Crown, pushers, Scratch resistant Sapphire crystal, Sapphire Crystal Exhibition caseback, "BR01-Tourbillon-R/T Titanium & Gold LTD20". Black Rubber strap with BR 18k Rose Gold Tang buckle + Black Alligator leather strap. Water resistant to 100m/325ft. Display signed " Bell & Ross ", Caseback inscribed & numbered, Movement signed.... Movement... Mechanical manual-wound by BNB Concept / movement, highly complex caliber-with 33 jewels,( support the multiple complex gears for the tourbillon, regulator, and power reserve mechanisms), typically 21,600 vibrations per hour (3 Hz) — common for BNB tourbillons to prioritize torque, Number of Components: Approximately 250 to 280 components, four barrels(4 series-coupled barrels), lightweight yet exceptionally rigid framework , carbon fiber plates and bridges, specialized torque indicator, mainspring tension for peak chronometric precision. 120-hour (5-day) power reserve... “Watch has been in House Serviced, comes with 1 year Service Warranty”...