Super Lançamento! Uniforme da Seleção Brasileira 2016 – Projetado para Velocidade

Richard Mille Tourbillon RM 052 Skull Watch

We love skulls! Limited edition of 21 pieces, which includes 15 pieces in titanium and 6 unique set pieces in red or white gold.

CALIBER RM052: manual winding tourbillon movement with hours, minutes. Dimensions: 42.70 mm x 50.00 mm x 15.95 mm. MAIN FEATURES POWER RESERVE Circa 48 hours.

BASEPLATE AND BRIDGES IN GRADE 5 TITANIUM

The RM 052 revolves around the skull. This is fascinating from an artistic point of view, but even more so from a technical point of view. The baseplate has been finished in grade 5 titanium, a biocompatible, highly corrosion-resistant and remarkably rigid alloy, which enables the gear train to function effortlessly. The alloy is 90% titanium, 6% aluminium and 4% vanadium. This combination further increases its mechanical properties, which explains its frequent use in the aerospace, aeronautical and automobile industries.

The upper and lower jaws holds the tourbillon cage jewel. The rear of the skull acts as a central bridge. The “Jolly Roger” comes to life thanks to the 4 bridges that link the movement to the case. The skeletonized baseplate and the bridges have been subjected to intensive and complete validation tests to optimize their resistance capacities. 

BALANCE WHEEL WITH VARIABLE INERTIA

The free-sprung balance provides better reliability in the event of shocks, movement assembly and disassembly. It also guarantees better chronometric results over an extended period of time. There is no need for an index plate, allowing more precise and frequent adjustment using 4 setting screws.

 

FAST ROTATING BARREL (6 hours per revolution instead of 7.5 hours)

This type of barrel provides the following advantages:

The phenomenon of periodic internal mainspring adhesion is significantly diminished, thereby increasing performance. Provision of an excellent mainspring delta curve with an ideal power reserve/performance and regularity ratio.

BARREL PAWL WITH PROGRESSIVE RECOIL

This device permits a profitable winding gain (circa 20 %), especially during the winding start. It is also helpful in the distribution of the mainspring’s internal tension.

WINDING BARREL TEETH AND THIRD-WHEEL PINION WITH CENTRAL INVOLUTE PROFILE

The central involute profile of the winding barrel teeth and pinion provides an optimal pressure angle of 20°. This promotes effective rotary motion and allows for compensation of possible variations in the engagement of the going train thus insuring excellent torque transmission with a distinct improvement in performance. 

SPLINE SCREWS IN GRADE 5 TITANIUM FOR THE BRIDGES

This permits better control of the torque applied to the screws during assembly. These screws are therefore unaffected by physical manipulation during assembly or disassembly and age well. This impressive timepiece is available here.

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