(TrendHunter.com) The Blancpain Grande Double Sonnerie timepiece has been debuted by the brand as its most complex model yet that will set itself apart from the competition with its perplexing profile and auditory…(TrendHunter.com) The Blancpain Grande Double Sonnerie timepiece has been debuted by the brand as its most complex model yet that will set itself apart from the competition with its perplexing profile and auditory…