This is a King Seiko hand-wound 10-beat, 45KS. It's a King Seiko and Grand Seiko exclusive 45 series movement, truly one of a kind. The exterior is in beautiful condition for a model that's over 50 years old. The glass has been replaced with a new one, and the dial is also in relatively good condition. The watch is working without any problems, and the accuracy is about ±10 seconds when laid flat. Please refrain from price negotiations.