360pcs Quartz Mechanical Watch Repair Parts Copper Mixed Watch Head Crown Wholesale Assortment Auto Accessories Watch Crown Watch Accessories 3-5MM &

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. The combination of gold and silver is perfect for your needs. Comes with a plastic storage box for good placement. The watch crown box is suitable for both quartz and mechanical watches. Watch crowns allow you to repair or upgrade many watches. Features: The combination of gold and silver is perfect for your needs. Comes with a plastic storage box for good placement. The watch crown box is suitable for both quartz and mechanical watches. Watch crowns allow you to repair or upgrade many watches. specification: Material: copper Crown diameter ranges from 3-5mm Metal watch crown tube diameter 2mm professional watch repair accessories Includes: 360 piece watch crown