Of the watchbands we've seen for the iPod nano 6G, the conversion kit style popularized by LunaTik has turned out to be the best, with a nice compromise of protection and usability, although it really does transform the nano into a dedicated timepiece. Apex Armor has decided to introduce its own take on the style with Ikonik Watch Kit ($90). The core frame that holds the device is composed of two halves that connect via a pair of long bars with screws…