26.80 mm x 23.90 mm plastic, R-shape, cylinder type crystal, Timex® REF 23-028013, fits: 1975 Timex® M-23 Cavatina Models: 50370, 50380, 1974 Timex® M-23 Cavatina Models: 50370, 50380
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Timex®. Timex® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.