★★★ Seiko ★★★ Grand Seiko Ref. 4520-8000 ☆☆☆ manufactured in 1968 — vintage condition ☆☆☆ men’s accuracy: +10 to +20 seconds per day in the flat position ※ these figures were measured using a timegrapher. actual performance may vary depending on the environment, wearing position, winding condition, and other factors. please consider these figures as a reference only. ■ dial original 1968 White glossy dial Hand-winding hi-beat 4520-8000 condition: there is no noticeable damage, and the dial remains in exceptionally beautiful condition. the elegant glossy black finish gives this model its distinctive and refined presence. ■ hands & hour markers original 1968 stainless steel baton hands & bar hour markers condition: perfect ■ bezel original stainless steel bezel condition: there are some minor scratches consistent with age, but no noticeable dents or major scratches. ■ case stainless steel round case dimensions: case diameter: approx. 36.3 mm, excluding the crown lug-to-lug: approx. 41.2 mm condition: there are some minor scratches consistent with age, but no noticeable dents or major scratches. ■ case back original stainless steel screw-down case back engravings: Grandd Seiko water resistant stainless steel 4520-8000 open thru glass push set lever pull stem 851067 japan a condition: there are some minor scratches consistent with age, but no noticeable dents or major scratches. ■ strap & buckle aftermarket stainless steel bracelet condition: new ★☆★ cal. 4520A ★☆★ winding system: Hand-winding frequency: 36.000 vibrations per hour / 8 beats per second jewels: 25 jewels maximum power reserve: approx. 40 hours quick date-change function: equipped hacking function: equipped / stop-seconds function adjustment: adjusted to 5 positions movement engraving: seiko japan / 4522A / 25 jewels / 5 pos. adjustment