321.10.42.50.04.001Ref

Omega's sports timekeeping history is unmatched: in 1905 it was appointed official timekeeper for at least 16 events at home and abroad, and in 1932 it became the first to time all Olympic disciplines. Over the past century, Omega served as official timekeeper for 21 Olympic Games, a record no other watchmaker has equaled; this model is the Olympic Collection Chronograph ref. 321.10.42.50.04.001.