Omega Speedmaster reference 3592.50 with original inner and outer box and Omega booklets and Japanese card.
Beautiful original dial with amazing patina.
Runs and sets and functions properly.
Case is crisp and appears to have never been polished.
48,XXX,XXX serial number circa 1985 according to Omega serial number charts.
Crystal does not have Omega etching underneath.
Caliber 863