Up for grabs is an Omega Speedmaster Pre-Pro
177650XX serial number matching and correct for -4 sub reference.
Excellent vintage condition case with no dings or dents or corrosion.
Dial is original and excellent. Very clean and luminous material mostly intact. No scratches or corrosion. Alpha hands appear original with correct white straight painted large Seconds hand.
Crystal is Omega hesalite with logo in center.
Crown appears original with skinny logo. The lower pusher appears to have been replaced in past.
Original DON bezel in excellent condition as seen.
Caseback is excellent, stamped 2998-4 with crisp Seamonster on back.
Comes on brown leather strap with steel buckle.
No box or papers. No documented service history. The chronograph runs and resets. The watch appears to be in all original condition and is a great example.