100x Flat Mineral Crystals Glass 30-39mm Large Watch Pocketwatch Replacement Set

A bulk set of 100 flat mineral watch and pocket watch crystals, spanning 30mm to 39.5mm in precise 0.25mm increments – five pieces of every size.

⭐ At a glance

📏 Size range: 30mm to 39.5mm, in 0.25mm steps

📦 100 crystals total – 5 pieces of each size

✔️ Condition: New with tags

Material: Mineral glass

Thickness: 1mm, flat profile

✅ Fits

Suits large watches and pocket watches taking a flat, 1mm-thick mineral crystal within the 30mm–39.5mm diameter range. With every 0.25mm size covered from 30mm up to 39.5mm, this set is built to cover a wide spread of vintage and modern large-case pieces in one go.

⚠️ Please check the exact diameter of the crystal seat on your watch or pocket watch before fitting – mineral glass is rigid and won't compress like plastic, so an accurate size match is essential for a proper seal.