It can be used directly or embedded in wooden watches, hardware watches, iron watches, lighting clocks, etc. Ideal for crafting or replacing the old dial, and the transparent cover is easy to read. Suitable for all kinds of crystals, ceramics, wood, marble and other crafts table clocks Quartz watch insert features a gold/silver rim and black Arabic numerals for easy reading. With back cover and rubber seals to secure the insert in place, which can prevent slight irregularities in the hole.