I recently had an awesome 2998-4 come through the workshop. I performed a full restoration on the movement and wanted to share the before and after pics. I polished all the screws, refinished the rusted chronograph parts and bushed the barrel and center wheel.
Thank you for sharing these great pics. Kudos on a job well done - the boys from the factory would nod in appreciation. I hope it brings you many years of faithful service and may the chrono always reset crisply to zero.