seiko 5 7009-6270-P 7019A mov

ser no 170591. Movement first produced in 1974, so this one must be 1981?

I liked the plain face and had never seen a crystal of this type before..

Won't tick, hands set, date set working.
Found a tech sheet here : http://www.thewatchsite.com/files/Casing%20Guide/27.%207019A.pdf and here: http://www.thewatchsite.com/files/Seiko%20Technical%20Manuals/7019A.pdf

Base calibre is 7005: http://people.timezone.com/msandler/Articles/Workbench/Seiko/Seiko7005.html