SYSTEM FOR TESTING AND DETERMINING THE ACCURACY OF A MECHANICAL WATCH. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 4, p. 139–144, 2025. DOI: 10.17770/etr2025vol4.8449. Disponível em: https://archive-journals.rtu.lv/etr/article/view/5213.. Acesso em: 11 mar. 2026.