In the fields of high-end watchmaking and luxury jewelry, metal calendar rings are not only functional components for displaying dates, but also the inner hallmark that embodies a brand’s craftsmanship aesthetics and precision manufacturing standards.

Product Features：

Digital connecting ribs are only 0.06mm;

Concentricity of inner and outer rings: within 0.015mm;；

With a large hollowed-out area, there shall be no deformation or creases on the numbers 1 to 31.