Movements - OP II
The OP II was from 1997-2001 the standard handwind movement in historic models such as the Luminor Marina.
It features hours, minutes and small seconds indications, and therefore qualifies for a COSC certificate.
It is based on the ETA 6497/2 hand-wind movement.
Its basic characteristics are:
The OP II has now been superceded by the OP XI.