100x Roller impulse watch jewels new old stock repair pin ruby watchmakers parts

100x new old stock roller impulse jewels (pins) in genuine red stone, supplied as a random mix of sizes for watch repair work.

⭐ At a glance

📏 Random mix of sizes — no single fixed diameter

✅ Fits mechanical watch movements that use a roller table impulse jewel/pin

📦 Pack of 100x jewels

✔️ New old stock, new with tags, unused

✅ Fits

These are roller impulse jewels (also known as impulse pins) fitted to the roller table of a mechanical watch movement, where the pallet fork engages the balance wheel. They are suitable for use as replacement jewels on mechanical movements that use this style of roller jewel, subject to matching the correct size to your movement.

⚠️ Please check the jewels are supplied as a random mix of wristwatch sizes with no specific diameters listed, so you'll need to compare against your original jewel or measure carefully before fitting to ensure a correct match.