Original Citizen (シチズン) watch crystal from unused old stock (NOS) – Citizen original spare part (純正部品 / "Genuine Parts"), 1 piece.
Labeled as クリスタルガラス ("Crystal Glass") on the original packaging – a real (mineral) glass, not acrylic. Citizen part number 54-91253H. This is a round crystal with a flat/low profile, diameter approx. 30.1 mm.
The exact case/model assignment can be researched using the Citizen part number (e.g. Boley); offered by reference and exact dimensions.
The packaging shows the classic blue and white Citizen "Genuine Parts" labeling from old stock. The crystal itself is unused, clear and without scratches; signs of age are only on the packaging.
