Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Price on request Gmtbroker Reference: A1051/7TURBINERACINGXL Perrelet A1051/7 TURBINE RACING XL Complete Details: TURBINE RACING 50mm - SPECIAL EDITION: A modern adaption of the Perrelet "Double Rotor". In addition to the traditional automatic winding rotor mounted on the back of the movement a second spinning rotor is visible on the face of the watch beneath the hands. This watch design is inspired by aeronautical field & the front rotor depicts a turbine - hence the name. The Turbine rotor features 12 blackened blades above a black and yellow striped backdrop dial. The free spinning Turbine rotor makes for a sensational optical effect. This watch features: Case is blackened DLC (Diamond Like Carbon) treated steel which is highly scratch-resistant. Polished finished bezel & satin finished case. Black and yellow striped backdrop dial. Blackened steel hour & minutes hands filled luminous material. Yellow seconds hands. Yellow inner fixed bezel ring with luminous index & Arabic Numeral hour markers. Fine printed minute track. Crown recessed into case edge, with a small flip open lever to assist with winding & time change. Perrelet in-house caliber P-331, beats at 28,800 vph, contains 25 jewels & has an approximate power reserve of 40 hours. This watch is also known as A10517