31.10 mm x 2.90 mm (height) round plastic crystal, no ring, genuine 062PN1048 Omega® crystal, fits Omega® case REF 131000, 1310019, 131019, 131019SP, 1610032, 161032, 2583, 578346
* 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.