This is a very unique piece!! The clock does work off and on, but does not keep accurate time at all. The pendant measures 24.75mm north to south including bail and 20.3mm east to west. The bail is 2.25mm. It is not hallmarked, but has been tested, and verified weighing in at 17.6 grams. Comes from a clean, smoke-free home. This charm would be a great addition to any collection and would make a wonderful…