19.10 mm x 15.10 mm x 17.80 mm x 13.80 mm x 2.60 mm thick rectangular flange type, flat bottom curved (12 to 6) top mineral. Using generic crystals may devalue your watch.
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Swiss Army®. Swiss Army® warranty does apply to parts supplied by H. & W. Perrin Company Limited.