The Swiss government has put an end to the export of luxury watches to North Korea, and have totalled zero for the last two months, US-backed Radio Free Asia reports . The North Korean Supreme Leader is often photographed wearing an expensive timepiece, and it's long been thought that they've reached the country despite United Nations sanctions. The UN bans the export of luxury items to North Korea due to its nuclear and ballistic missile projects. Kim and his sister Kim Yo-jong - now a senior party official - were both educated in Switzerland, and the Supreme Leader is known to be interested in some aspects of Western culture.