Nail watch...redefining watches! In respect to 150 years of watch crafting, Timex, in collaboration with Core77, held a global design competition called 2154: the future of time design. OK Timex, you win this one. No one is going to compete watch designs with 150 years of watch experience. One runner up of the competition, the TX54 concept, is a disposable clock and calender that can be worn on..