Ed Sheeran is one of the most popular musicians on the planet, but around these parts, he’s mostly known for being one of the world’s most famous watch nerds. Befitting both, he kicked off the first of three sold-out shows at Melbourne’s Marvel Stadium—appropriately dubbed “Ragnarok and Roll,”—by arm wrestling Chris Hemsworth and wearing IWC’s new superhero-worthy chronograph on stage. According to horological lore, in the late 1930s, two Portuguese businessmen approached the International Watch Company with a request for an oversized men’s wristwatch—a strict departure from the daintier timepieces of the era. IWC fulfilled this request by fitting a pocket watch movement into an oversized wristwatch case, producing several hundred examples of it between 1939 and the 1970s. In the early 1990s, the brand released a special edition of the so-called Portugieser, and what was once a curiosity grew into one of IWC’s most beloved collections. Courtesy of IWC Heavily influenced by traditional pocket-watch aesthetics, the Portugieser has always been a dressier collection, with a range of sophisticated complications on offer, including the mind-boggling …