Watch Winding Gaskets Rings Compact Watch Crown Gaskets Water Resistant Hardware for Watchmakers, Hobbyists

Product Identity: A customized assortment of miniature black rubber sealing rings designed specifically for precision watch crown and stem sealing applications.

Primary Function: These high-quality watch crown gaskets provide an effective waterproof barrier, protecting delicate internal watch movements from moisture and dust.

Smart Design: Features a clear plastic hinged storage box with a dark foam insert that keeps each individual sealing washer securely in place and prevents mixing.

Easy Identification: Equipped with a printed size reference chart on the lid and small yellow numbered labels for each position, making these O-rings incredibly easy to sort and select.

Essential Hardware: An indispensable set of hardware for precision repairs, this collection of rubber sealing rings with storage box is perfect for maintaining water resistance in various small-scale devices.