RARE Vintage Seiko Avenue Field Watch 6531-600A Green Case 2 O'Clock Crown. Watch is running and keeping time.  Some wear to the case and crystal from prior use.  On leather strap that has some wear from prior use.  Battery has been changed in the last year, may need a new one soon.  Non smoking home.  Payment is expected within 48 hours, if you need more time, please contact me before bidding.