What does Casio ost mean?

This means that the timing error is less than 0.5 seconds. According to the public information inquired, ost in Western Europe stands for OfficeofScienceandTechnology and belongs to Casio's embedded automatic correction timing function module. Casio watch was founded in 1946, and the brand image of vitality, youth, fashion and multifunction represented by Casio has been deeply rooted in people's hearts. Casio has been committed to leading its peers in skills and has made breakthroughs in skills over the years.