Omega has issued a limited-edition version of its 1969 Seamaster Bullhead chronograph—one the brand’s most sought-after timepieces—with a new automatic movement. The new Co-Axial calibre 3113 movement replaces the manually wound calibre 930 in the vintage model and is equipped with a column-wheel chronograph. Produced in 669 pieces, the new Omega Bullhead chronograph ($9,600) features the same shield-shaped brushed and polished case, inspired by a bull’s head, and has a rotating inner bezel with a 24-hour scal…