Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Turbine Price on request Gmtbroker Reference: a1051/2 Perrelet a1051/2 Complete Details: XL 50MM SIZE 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 (the front rotor does not have any mechanical use & does not wind the watch - it is for design purposes only) . 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 & orange 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. Polish bezel & satin finished case. Black and orange striped backdrop dial Blackened finished hands filled with black Superluminova fill. Large central seconds hand in orange. Inner fixed bezel ring with orange painted minute indexes, Orange luminescent Arabic Numeral 10 minute markings & finally white painted odd hour markings. Crown recessed into case edge, with a small flip open lever to assist with winding & time change. Perrelet caliber P-181, beats at 28,800 vph, contains 21 jewels & has an approximate power reserve of