Omega 2910-9SC manual wind watch

Omega manual wind watch with a very rare black dial. Crystal is in good condition, no major scratches or cracks, only a few dust particles on the inside. Dial is in good condition and does not show flaking that is often characteristic for black dials. Case has signs of age and use and the crown is original. Caseback still has the original sticker on, which is rare. Leather strap has been used. Service history is unknown, but the watch works and it is running approximately +- 10 seconds per day.