The balance spins free and the staff feels intact but the Hairspring is not attached so it does not swing. The gears turn when you try to wind it but does not tighten a mainspring. See the pictures for defects. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Parts, Tools & Guides\Parts\Movements".The seller is "b2bn" and is located in this country: US. This item can be shipped worldwide.