20x Shockproof Bloc Jewels Watchmakers Spares Repairs Watch Jewel & Spring Parts

Pack of 20 unused vintage watch-sized shockproof bloc jewels for watchmaker repairs and spares.

⭐ At a glance

📦 20 shockproof bloc jewels per pack

✅ Random mixed sizes and types — similar to, but not an exact match of, the pack pictured

✔️ New with tags, unused vintage stock

Type: Jewels

✅ Fits

Shockproof bloc jewels of this vintage type were used across a wide range of older watch movements to cushion the balance staff pivots against shock damage. As this is a random assorted pack, it's best suited to watchmakers and hobbyists building up a general spares stock rather than sourcing a jewel for one specific calibre.

⚠️ Please check — this is a random mixed pack of sizes and types; the jewels supplied will be similar to, but not identical to, the pack shown in the photo. If you need a specific size or type for a known movement, please check compatibility before buying.