OMEGA, Speedmaster Professional, Mark II (-T Swiss Made T-), "Tachymetre", Cal 861, Serial no. 32838921, Ref no. MD 145.034 , Case no. 145.034, chronograph, men´s wristwatch, 41,5 mm, gold plated (damaged, 20 micron), manual winding, mineral crystal, damaged dial/hands, replaced Tachymetre ring, leather strap, approx. 1972.