A watch repair hammer should be sleek, strong, and accurate. These watchmaker's hammers or mallets are useful for working with small watches and timepieces. Watch Material offers a wide selection of mini hammers in many different designs for those intricate jobs. Watch repair hammers are designed with steel, plastic, or brass. Plastic tipped hammers are great because they prevent watches from scratching. Plastic tipped watch repair hammers are great for re-inserting metal pins. Steel handle hammers are built to last.