Richard Mille RM21-01 Manual Winding Tourbillon Aerodyne
Rs. 143,098,025.00
Limited edition of 50 pieces. Case: TPT carbon and 5N red gold. Diameter: 42.68 x 50.12 mm. Thickness: 14.30 mm. Bezel side: sapphire crystal (1.800 vickers) with anti-reflective coating (both sides), thickness: 1.50 mm. Case back: sapphire crystal with anti-reflective coating (both sides), thickness: 1.20 mm in the center and 2.04 mm on the outer edges. Water resistant to 50 meters. Dial: Sapphire crystal (0.40mm thick) with anti-reflective treatment (both sides), protected by 8 silicon flanges inserted in the upper and lower grooves of the rehauts - inner flange in bead-blasted titanium. Movement: Manual winding. Calibre RM21-01. Power reserve of 70 hours. 27 jewels set in white gold. Frequency: 21.600 vibrations per hour (3 Hz). HAYNES 214 orthorhombic honeycomb plate with TPT carbon core. Grade 5 titanium bridges. Variable inertia balance wheel. Dimensions: 30.20 x 29.20 mm. Thickness: 7.14 mm. Tourbillon diameter: 12.30 mm. Balance wheel diameter: 10.00 mm. Balance wheel: in GLUCYDUR, with 2 arms and 4 adjusting weights, moment of inertia 10 mg-cm2, lift angle 53o. Balance spring: Elinvar, from Nivarox. Torque indicator: with reference measurement in N/mm. Shock absorber: KIF Elastor KE 160 B28. Barrel shaft: made of nickel-free Chronifer (DIN x 46 Cr 13 + S), with the following properties: stainless - antimagnetic - hardened. Bracelet: White rubber. Red gold tang clasp.
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