31.94 mm x 4.30 mm (height) round plastic crystal, yellow colour ring with calendar loupe, genuine 063PX5188L Omega® crystal, fits Omega® case REF 1660085, 1660095, 1660115, 1660161, 1660162, 166085, 166095, 166115, 166161, 166162, 1960078, 1960105, 19607
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Omega®. Omega® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.