Seiko Grand Seiko 4522-8000 Vintage Hi-Beat 36000 Date SS Automatic Mens Watch,1968 Seiko GS 4522-8000,FS: Serviced! Grand Seiko 45GS 4522-8000 Hi-Beat 36000BPH JDM + Sapphire Caseback + New Strap + Travel Case | The Watch Site,Grand Seiko GS Hi-Beat 36000 / Linen Dial / Ref. 4522-7000 / for $899 for sale from a Trusted Seller on Chrono24,Vintage Grand Seiko ref. 4522-8000 Watch Guide