With the new TAG Heuer Carrera Mikrograph 1/100TH second TAG Heuer continues to explore the concept of the dual chain launched in January 2011. This technology allows in an integrated mechanical movement the elimination of cross-interference between the watch and the chronograph and paves the way for an authentic dual-certification timepiece.This game-changing innovation combines two assortments beating at 28800 and 360000 beats/hour respectively. It offers unrivalled precision and chronometry thanks to the independence of its ,normal speed, and ,high speed, watchmaking chains.