The Jaeger-LeCoultre Master Compressor Extreme LAB 2 was introduced at SIHH 2010, in January. The Extreme LAB doesn't have any complications, like a tourbillon or perpetual calendar. It will, however, possess some very high-tech Technomarine womens watches functions, even if they are not considered complicated by traditional definitions. The main difference between the 781 and 780, would be that the 781 Calibre movement features an advanced silicon escapement.
For instance, it features a patented jumping digital minutes counter, a push-button crown function selector, an advanced anti-magnetic silicon escapement, a black zirconium-ceramic bezel, a rotor that's mounted on lubrication free ceramic ball NBA Star Yao Ming Limited Editio watch bearings as well as an advanced multi-adjusting strap. The case is high-tech. It is a dual-ring-case: sandwich structured case with carrier-chassis and movement container.
The advantages of this type of high-tech escapement is that it is anti-magnetic, runs with lower friction, doesn't need periodic oil lubrication which is lighter (which can allow higher speed and accuracy). The power-reserve is 60 hoursThe dial, which is skeletonized, offers a great view from the movement. The patented mechanical Tag Heuer NBA Star watch digital jumping seconds is displayed at 12 o'clock. Using two discs, it displays chronograph minutes, for approximately Half an hour.
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