Glossary

Engine-turned

a surface ornamentation method that involves using a rose engine or lathe to create intricate fine line patterns on watch components. This technique is used to decorate various watch parts, such as dials, case backs, and even movement components. The process involves the rotation of the watch component against a cutting tool, resulting precise and intricate designs. This technique has been used since the 18th century and continues to be appreciated for its contribution to the intricate detailing of watches and other items