Produced in September 1968 this is a beautiful example of the 4520-8000. The 45GS series was the second​ ​and final​ ​series to be manufactured by the Daini Seikosha company. ​From its release in 1968 it was m​anufactured until around 1973. The 800​0​ case is a solid structure and ​has​ typical “Grammar of Design”​ features.​ Equipped with Cal.4520, a high-beat hand-wound movement with 36000 vibrations, which is acclaimed to be the masterpiece of Seiko mechanical watches.  Brand: Grand Seiko Model: 4520-8000Year: Sept 1968 Movement: 4520 Case: 36.5mm Stainless Steel Crystal: Sapphire Strap: Keepiece strap Box & papers: No Location: Los Angeles Price: $1,999 plus shipping or best offer CONDITION & SERVICING -This Grand Seiko watch comes as watch only. -Dial, markers and hands are in excellent condition. -Case is unpolished and overall a really nice example.​​ -Recently serviced by our watchmaker and running to spec. TIMESTAMP [https://imgur.com/a/ix7H3d8](https://imgur.com/a/ix7H3d8)