Reference specific.
Genuine Omega Crystal PX5244 Watch Part Yellow Tension Fits 198.0045 Electronic
Genuine Omega Crystal PX5344 Watch Part Yellow Tension Fits 166.0285, 366.0885
Genuine Omega Crystal PX5232 Watch Part Yellow Tension Fits 151.0051, 155.0003
Genuine Omega Crystal PX5020CYC Watch Part Yellow Tension To Fit Ref 566.003
Genuine Omega Crystal PX5020 Watch Part Yellow Tension To Fit Ref 566.003
Genuine Omega Crystal PX5191 Watch Part Yellow Tension To Fit 166.0094, 166.094