Corum Golden Bridge Tourbillon 213.150.59/0001 GN11 18k White Gold LTD10pc Retail $53,900 Collector Condition, Appears to be lightly if ever worn .Ex-Condition 100% Authentic, comes with Box and Papers, as seen in photos. Swiss made Corum Golden Bridge Tourbillon 213.150.59/0001 GN11 crafted 18k White Gold Tonneau shaped case measuring 50x34mm diameter. Fixed 18k White Gold bezel. Manual wound movement, power reserve up to ± 40hours. Displays a Black guilloche dial linear movement display and Silver-tone hour markers, silver-tone hands, minute track at outer rim. Tourbillon placement at 12 o’clock. Crown located at 6 o'clock position in the case band and is engraved with the Corum key. Scratch resistant Sapphire crystal, transparent back with key-shaped glare proof sapphire crystal. Black Alligator leather strap with 18k White Gold Tang Buckle, plus Red rubber strap. Water resistant to 30m/99ft. Display signed " Corum ", Caseback inscribed & numbered, Movement signed... limited edition: 10 pieces in an 18k White Gold . Movement...Mechanical Manual-winding decorated linear movement . unique inline baguette Caliber CO 213- 19 Jewels.. Beating at 19,200 vph, consists of 140 components in a rectangular arrangement, 33 mm in length, 3 mm in width and less than 5mm in thickness... its plate and bridges were crafted in hand-engraved 18-carat gold, tourbillon carriage with a transparent sapphire element. The mainspring barrel provides a power reserve of 40 hours... “Watch has been in House Serviced, comes with 1 year Service Warranty”...