this is a Concord Delirium quartz watch from the 1980’s with an ultrathin case. the 25 on 30mm case features a hight of only 3,2 mm and was a successor of the deltem series (delirium tres mince) that was released by different brands like IWC, Eterna and Longines. The version with matte black dial is a rare appearance on todays market. The watchhead is in full original and perfectly running condition being sidekicked by a generic milanese bracelet that will fit all wristsizes  //  1150€ Please contact us under this link