Watch Crowns Dustproof Watch Crown Assortment (54 Pieces)

This is a handy watch crown assortment for any watchmakers who work on and repair watch crowns. These dustproof watch crowns come in 7 different diameters, ensuring that you will always have the right watch crown on hand to complete a watch crown repair. With watch crowns on hand you will always be able to help a customer’s watch case look good as new.

• Comes in 7 diameters: 2.8, 3.0, 3.5, 4.0, 4.5, 5.0, and 5.7 mm
• Come in 3 different post sizes: regular, medium, and long
• All crowns are tap 10
• Crowns are both gold plated (yellow) and nickel plated (white)
• 2 yellow crowns and 1 white crown in each diameter/post size combination
• **Note** Dustproof watch crowns will not provide water resistance to a watch, use ONLY with watches that are NOT water proof or water resistant
• Keeps dirt and dust out of the watch movement
• Crowns are knurled for easy winding
• Total of 54 pieces
• Refills available