Omega Constellation, 36mm size, the largest and very rare size. The watch is automatic, manual winding, lasts for 48 hours. The watch is open from the back. Clean, in excellent condition. Attachments: None, only a box. The watch works 100% and has no issues. The watch bracelet has all its links. Please be serious in your offers and differentiate between quartz (battery) and automatic, and open from the back, as this watch is considered vintage and very rare. Its prices on websites range from 7000 to 9000 Saudi Riyals.