Ronda 5030.D Technical Data and Assembly Information

Technical data and assembly guide for the Ronda 5030.D quartz chronograph movement, a 12½ ligne calibre designed for precision timekeeping instruments. Movement diameter 28.60mm with case fitting specification of 28.00mm, total height 4.40mm, and stem thread dimensions 0.90mm/0.90mm. Features a practical date quick-set function accessible via three crown positions: neutral, rapid date adjustment, and time setting mode. Performance specifications detail torque requirements across complications—small seconds register 4.0–6.7 µNm, minute hand operation 200–300 µNm, and counter hand 3.0–4.6 µNm. Rated for operating temperatures between 0°C and 50°C with shock resistance to NIHS 91-10 standard and magnetic field immunity at 18.8 Oe. Powered by battery type 395 offering 48 months of service life. The manual provides comprehensive component documentation with mechanical diagrams illustrating main plate architecture, bridge assemblies, rotor design variations, pusher mechanisms, and the integrated electronic module—an essential technical reference and service guide for watchmakers, technicians, and movement specialists requiring detailed assembly, maintenance, and repair guidance for this popular quartz chronograph calibre.