You can check what materials are used for our watches through the product pages in the "Specifications" table. For our straps and jewelry, you can check the "Material" or "Finishing" section on the product pages. If you have any additional questions, feel free to contact our support team via live-chat or email. Was this article helpful? Related articles Is my Rosefield product waterproof? Do the products contain Nickel? Cleaning your Rosefield product What type of battery do you use and how long does it last? Do your products meet safety, health, and environmental protection requirements?