top of page

STI Directory Leader

Werthanor SA


Founded more than 30 years ago in Le Locle, in the heart of the Swiss watchmaking region, Werthanor specializes in watch decoration in Switzerland. From design to manufacture, Werthanor handles every stage in the production of cases, bracelets and clasps, using both traditional and innovative materials.

Année d'ajout



Industrial Manufacturing






directe aux ODD


Goal 1

By 2027, we recondition 100 % of used cutting tools, compared with no reconditioning in 2022*. 

* Representing an average of 200 kg of metal waste and the only metal production waste not recycled yet.

Core business

Goal 2

By 2026, we increase the proportion of precious materials from traceable and responsible sources by obtaining Chain of Custody (CoC) certification from the Responsible Jewellery Council (RJC), compared with no CoC certification in 2022.

Core business

Goal 3

By 2026, 100% of our main Tier 1 suppliers meet our sustainable sourcing principles and are Sedex members*. 

* SMETA audit according to Sedex with corrective action plan (regular visits by management, charter with highly demanding social and environmental criteria). We also support subcontractors with non-critical non-conformities on the basis of action plans and regular follow-up. The main Tier 1 suppliers together account for 80% of our subcontracted production.

Supply chain

Goal 4

By 2028, we reduce our direct supply of fossil gas energy by at least 80% compared with 2022, by reinjecting heat from compressors into a closed circuit, representing an annual average of 13% of our total energy consumption*. 

* Carbon footprint reduction trajectory underway, in parallel.

Internal operations

Werthanor SA operates in Switzerland. The pledges taken within the STI framework apply to the sustainability policy for all activities of Werthanor SA in Switzerland. The company is therefore accountable for their implementation within the limits of its field of activity.

Remarque : D'ici 2023 indique systématiquement la fin de l'année, ce qui signifie : D'ici la fin de 2023 (à moins que cela soit mentionné autrement, par exemple année fiscale). 

Autres engagements

bottom of page