This watch is in good condition with some wear and scratches from use on the case and bezel. The dial has light wear around the subdials. The sapphire crystal has light wear in the outer antireflective coating. A new black leather strap was just installed. All functions work properly. No box or papers are included. 
 
The last photo shows the timing results. The watch is running well. X indicates the average: -3.1 seconds per day. 
 
Manufacturer: Omega 
Model: Speedmaster Automatic Triple Calendar 
Reference Number: 3523.51.00  
Condition: Good Case 
Material: Stainless steel 
Case Diameter: 39mm 
Movement: Omega automatic caliber 1151 
Dial: Black w/ chronograph, date, month, and weekday functions and luminous hands and markers 
Strap: Black leather w/ steel buckle 
Box: No 
Papers: No