『New watch』RICHARD MILLE "RM 21-02 Tourbillon Aerodyne" hollow tourbillon watch, the case is made of a variety of high-tech materials, the hollow movement bottom plate is made of high-performance alloy, and has a honeycomb-like hexagonal structure Presenting a unique mechanical geometric beauty. This is one of RICHARD MILLE's most complex watch cases to date - the bezels on both sides and the case bottom cover are made of green Quartz TT quartz fiber, and the front and side pillars of the case are made of Carbon TT carbon fiber. The middle case is made of grade 5 titanium alloy, showing a rich sense of the future. From the front of the dial, you can directly appreciate the bottom plate of the movement. This alloy has the characteristics of high stiffness and strong oxidation resistance, and is produced through a laser cutting process. The honeycomb-shaped hollow structure not only has a deep visual effect, but also provides stronger and lighter support. In the center of the open dial are hollow hands coated with luminous coating, and the hour markers use alternating black and white colors, and the 12 o'clock barrel The bridge plate of the 6 o'clock tourbillon is shaped like an engine blade. It is equipped with the RM 21-01 manual winding movement with a swing frequency of 28800vh and a power reserve of 52 hours. The movement bridge plate is also made of titanium alloy, as you can see Decorative details such as black VD coating, sandblasting, polishing and chamfering. Sapphire scratch-resistant crystal mirror, blue light coating, anti-glare treatment on both sides. Viton rubber and titanium head strap. Not easy to yellow and deform, comfortable and comfortable for a long time. It is also equipped with stylish and breathable canvas straps for you to choose from.