A Trusted Partnership Since 2000

Visit TAN SA →

Since 2000, Royal Glory International Limited has co-operated as a partnership with TAN SA, a family-owned watchmaking company based in Chiasso, Switzerland. This long-standing collaboration is built on mutual trust, shared quality standards, and a commitment to manufacturing excellence.

TAN SA’s watchmaking heritage is rooted in the Romualdi family’s involvement in the industry since the 1950s, combining traditional Swiss watchmaking expertise with modern technology and precision engineering.

By bringing together Royal Glory’s OEM manufacturing capabilities and TAN SA’s Swiss watchmaking expertise, we can support clients across different stages of their projects—from product development and precision components to complete timepiece production.

For qualifying projects, TAN SA can also provide Swiss-based production in accordance with applicable Swiss Made requirements.

Together, Royal Glory and TAN SA offer flexible, dependable, and quality-focused watch manufacturing solutions to clients worldwide.