The Grande Double Sonnerie is Blancpains Most Complex Timepiece Yet

SummaryBlancpain unveils its most complicated watch, the Grande Double Sonnerie, after eight years of developmentFeatures include grande/petite sonnerie, minute repeater, flying tourbillon and retrograde perpetual calendarIt features a two-melody grande sonnerie (Westminster/Eric Singer from KISS)The Blancpain Grande Double Sonnerie is presented as the most complicated watch in the brand's history, opening a new frontier in grand complications through an unprecedented combination of function...