Vintage Timex on chain. Aluminum. Manual Wind, no battery. This is an original vintage Timex pendant watch necklace . Goldtone . IT’s mechanical hand wind it runs it ticks but just any other vintage mechanical watches have it serviced . If not it’s perfect as a statement piece always a conversation piece Watch pendant is Marked TIMEX and orientation is upside down so you don’t have to turn it around. Measurements shown in photo.