Glossary · Case & Dial
Bulls-eye crystal
A thick crystal with a central magnifying area.
Explanation
Common in antique pocket watches, the central 'bulls-eye' was a byproduct of the glass-blowing process or a deliberate feature to aid legibility.
Glossary · Case & Dial
A thick crystal with a central magnifying area.
Common in antique pocket watches, the central 'bulls-eye' was a byproduct of the glass-blowing process or a deliberate feature to aid legibility.