Only, when pushing crown, balance wheel moving for several seconds. And crown spins, but cannot wind up. I think it needs to be adjusted the 11th photo part. And second hand runs to counterclockwise when shaking.
I sell it for parts. It has some tiny marks. It has some scratches and tiny dents. Diameter: approx 36mm excluding crown. It has some scratches, some tiny chips on edge.
It has some marks and stains. It spins, but cannot wind up. Year and location of manufacture: Japan SEIKO Kameido factory in 1970.It usually takes 5-8 days. If you have any problems, please contact me. If you have any questions, please contact me any time. I'll respond to you ASAP. The item "Vintage SEIKO Hand-Winding Watch/ GRAND SEIKO GS 4520-7010 SS Hi-Beat For Parts" is in sale since Wednesday, June 10, 2020. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Watches\Wristwatches". The seller is "reed0702" and is located in Fukuoka . This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.