1991 Omega Speedmaster Professional 3590.50

Having come from the original owner who purchased this peice whilst working in Hong Kong in the 90s, it remains unpolished and in exceptional condition for its age. It comes with a box but unfortunatley that card has been misplaced.
 
 
Brand and Model: Omega Speedmaster Professional
 
Reference: 3590.50
 
Case: Stainless steel
 
Bezel: Stainless steel with aluminium B4 DNN insert 
 
Bracelet: 1479 bracelet with 812 end links. Folding clasp
 
Dial: Black dial with tritium markers C5 short S
 
Hands: Original tritium hands
 
Crystal: Omega hesalite
 
Case Diameter: 42mm
 
Movement: Omega 861 
 
Case Back: Stainless steel standard moonwtch
 
Included with watch:
 
Outer box
Inner grey watch box
Instructions
 
Condition:
 
Excellent condition and functioning great. Comes with a 12 months warranty.