An Omega Speedmaster, chronograph, manual wind, stainless steel gents wristwatch, circa 1970, the

An Omega Speedmaster, chronograph, manual wind, stainless steel gents wristwatch, circa 1970, the black dial having luminous baton markers, hands and centre seconds, with three subsidiary dials, the signed 17 jewel calibre 861 movement numbered 32859XXX, the case back numbered 145.014, with Omega crown, on a stainless steel Omega bracelet with spare links, 41mm