The Calibre E4, an exciting new generation of Connected Watch - built to deliver ultimate elegance and sporting performance. Pioneer in the luxury Connected watch segment since 2015, the new generation of Connected offers two models, each highlighting an aspect of TAG Heuer's Connected identity. Building on TAG Heuer's long-standing heritage in the sporting world, the larger 45mm model offers a striking redesigned sporty look. The smaller 42mm model offers a slimline look built primarily for elegance.