Richard Mille Skeletonized Automatic Watch, square 18kt rose gold case (49.8mm length x 38mm width x 8.25mm depth), with rotor with variable geometry, power reserve indicator, date display. Skeletonized automatic movement with hours, minutes, seconds, date and adjustable rotor geometry.

Main Features (many of which are major technical innovations):

Bottom bridges, plate, and balance cock made of titanium. The manufacture of these components in grade 2 titanium with black PVD coating allows the whole assembly to be given great rigidity, as well as precise surface flatness which is essential for the per-fect functioning of the gear train.

Double Barrel System. The double barrel system helps to improve the stability of torque over a longer period. This is achieved by using more turns, thereby reducing pressure and friction on the teeth, the bearings and the pivots, resulting in improved long-term performance.

Date Display. Semi-instantaneous, placed in a vertical aperture in the numeral 7. The calendar disc of sapphire crystal is treated with non-reflective coating on both sides.

Spline Screws in Grade 5 Titanium for the bridges and case. 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.

Interior flange (upper and lower) in carbon fiber, with index points filled with approved luminous material.

Crown in grade titanium, with double seal O-ring and detailing in either 18-carat red or white gold.

Dial in sapphire (thickness: 0.40 mm) with anti-glare treatment (2 sides), protected by 8 silicon braces in-serted in the upper and lower grooves.

Crystal. Bezel side: In sapphire (1800 Vickers) with anti-glare treatment (2 sides). Thickness: 1.20 mm. Case back side: In sapphire with anti-glare treatment (2 sides). Thickness: at the center 1 mm and outer edges 1.73 mm

Other features: Dimensions of movement: 30.20 x 28.60 mm. Thickness: 6.35 mm. Number of jewels: 31. Barrel arbor ? in AP 20 steel. Balance: Glucydur, 3 arms, inertia moment 4.8 mg cm2, angle of lift 53?. Frequency: 28,800 vph (4 Hz). Balance spring: Elinvar Nivarox. Index assembly: Triovis N?2. Shock protection: INCABLOC 908.22.211.100 (transparent). Escapement wheel jewels: Rubifix (transparent). Stem with three positions: manual winding, time