18.65 mm x 16.01 mm x 2.07 mm (thick) T-shape flat bottom curved top (12 to 16) mineral crystal, generic (not genuine), fits Esquire® reference 5321. Using generic crystals may devalue your watch.
* H. & W. Perrin Company Limited is independent of and not affiliated with or sponsored by Esquire®. Esquire® warranty does not apply to parts supplied by H. & W. Perrin Company Limited.