Convex Clock Glass – 12-1/4″ – Slight Second – Very Minor Discoloration
This 12-1/4″ (311 mm) convex clock glass is a clear domed replacement panel ideal for antique, vintage, and reproduction clock restorations. Each piece has a very slight discoloration—classified as a slight second—but the tint is minimal and typically unnoticeable once installed in a bezel or case. The discoloration does not affect visibility and may be further reduced with gentle cleaning or glass-brightening methods.
Product Details
Type: Convex clock glass
Diameter: 12-1/4″ (311 mm)
Material: Clear domed glass
Condition: Slight second – very minor discoloration
Shape: Convex (domed)
Maintenance: Discoloration may improve with gentle cleaning
Origin: New old inventory – unused vintage stock
Availability: Limited
Features & Uses
Clear convex glass suitable for medium-to-large clocks
Very minor discoloration typically unnoticeable once installed




