Seems to run fine and keeps good time. Crown doesn’t screws down. It seems the threads are worn out on the tube that is attached to the case. The Rolex Ref.6522 Oyster Precision Manual-winding Watch is a luxurious timepiece designed for women. Featuring a sleek stainless steel case and band in a classic silver color, this Swiss-made watch exudes elegance and style. With a mechanical manual movement, this Rolex Precision model offers a timeless appeal suitable for both dress/formal and casual occasions. The 22mm case size and sophisticated design make it a must-have for those who appreciate fine craftsmanship and luxury watches.