What does 585 an s and ta stamp mean on speidel bracelets?

The "585" stamp on Speidel bracelets indicates that the bracelet is made of 14-karat gold, which contains 58.5% pure gold. The "S" typically signifies the manufacturer, in this case, Speidel. The "TA" may refer to a specific design, collection, or production code related to the bracelet. Collectively, these stamps provide information about the material quality and the brand.