By Astrid Wendlandt PARIS (Reuters) – Apple has poached a senior executive from Swiss luxury watch brand Tag Heuer, which could be to help it with the launch of its iWatch expected this autumn. Tag Heuer, part of luxury goods group LVMH, said on Friday its vice president for sales, Patrick Pruniaux, who had been with the brand for seven years, was leaving on Monday to join Apple. Apple declined to comment.