Presented for the first time last year at baselworld the carrera heuer 01 is the signature chrono model from the tag heuer manufacture in 2015 the watch formed the cornerstone of a burgeoning new collection with a new design a new heuer 01 in house calibre based on the 1887 calibre and a new modular case design with 12 elements enabling multiple combinations of materials and colours having benefited from five years of continuous improvement and optimisation the heuer 01 calibre has attai