![100mm x .01mm 4 Inch Digital Caliper Micrometer for Jewelry and Watch 100mm x .01mm 4 Inch Digital Caliper Micrometer for Jewelry and Watch](https://cdn11.bigcommerce.com/s-iic0hc/images/stencil/300x300/products/37354/90192/digital-caliper-gauge-35.185photo2__25907.1658864173.jpg?c=2)
![100mm x .01mm 4 Inch Digital Caliper Micrometer for Jewelry and Watch 100mm x .01mm 4 Inch Digital Caliper Micrometer for Jewelry and Watch](https://cdn11.bigcommerce.com/s-iic0hc/images/stencil/160w/products/37354/90193/digital-caliper-gauge-35.185__44874.1658864173.jpg?c=2)
This gauge is made of metal making it sturdy and durable. It allows you to easily measure the diameter, tube opening, stem thread, lug width, and tap sizes of your watch crowns. With this one stop shop tool, repairing or replacing a watch crown is a breeze.