Omega, Seamaster, ref. 105.005-63, a stainless steel wrist watch, circa 1965, manual wind chronograph movement, 17 jewels, cal. 321, silvered dial, applied baton markers, pointed baton hands, centre chronograph hand, subsidiary dials for constant seconds, 30 minute and 12 hour recording, screw down case back, on an unsigned black leather strap with stainless steel pin buckle, case back, dial, movement and crown signed, diameter 35mm Usually associated with the iconic Omega 'Moonwatch' Speedmaster, the calibre 321 is also to be found in this distinctly dressier Seamaster Ref. 105.005. At 35mm it slips discretely under the cuff but provides a chronograph with the ultimate pedigree.