Corum Chronograph Tourbillon 47 Seafender: How The Admiral’s Cup Lost Its Rank Corum by wholesalewatches - December 28, 20170 It is really about time Corum returned the most favorite Bubble watch - a timepiece collection that originally came out in the year 2000 and served a major contemporary function in the brand's history. Finally, the Corum Bubble watch collection was discontinued, probably because Corum began to go a