ST 145.014 RacingRef

As the first departure from the classic Speedmaster Professional design, which had essentially reached its final form by 1969, the Mark II was intended to replace the original but never did. The Speedmaster Professional Mark II ST 145.014 shown here features a stainless steel case and matching bracelet, with a grey dial accented in orange—the 'Racing' version—and is fitted with the more common tachymeter glass.