Omega , Seamaster Diver 300M of 18k rose gold, model 1681640, ref. 26365091. Mechanical COSC movement with automatic winding and date. Omega strap with folding buckle of 18k rose gold. Ø 41.5 mm. 2006., Accompanied by Omega box. Serviced 2016. Service receipt included., Minimal wear due to age and use. The watch works, but we do not guarantee for the functionality.