The new Samsung smart watch would not need to be tethered to a tablet or smart phone, reports allege.
The threat of such a test, coming amid plans to test a controversial rocket this week, is seen as an effort by North Korea to extort more aid from the international community.
As North Korea faces ongoing food shortages, the US appears closer to providing food aid amid hopes for movement on six-party nuclear talks.
Will one bestselling novel – "Please Look After Mom" – help Korean literature find its way in the global marketplace?
Critics say that the garlic field cash stash is further proof that the 50,000 won note could aids those operating on the black market because it is easily hidden from the prying eyes of authorities.
North Korea kept up its harsh rhetoric Friday, indicating that it saw upcoming military exercises as fresh provocation. US Gen. Walter Sharp toured the island area attacked by the North on Tuesday.
North Korea has requested a formal peace treaty with the US, with which it has technically been in a state of war for over half a century.
The South says it is tired of an approach that lets North get perks for small concessions.