27.70 mm x 27.70 mm (outside), 26.40 mm x 26.40 mm (inside), C-shape plastic flange type crystal, to fit Vintage Tissot® case number 46804, 10225
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Tissot®. Tissot® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.