![1955 - Peripheral winding rotor](/images/013_Tomek/979_Philippe/Patek_09_peripherial.webp)
1955 - Patent for a mass oscillating on the outside of the movement.
Application: Tomasz Jakubas
Other records: Timeline of Watchmaking Innovations
1955 - Patent for a mass oscillating on the outside of the movement.
Application: Tomasz Jakubas
Other records: Timeline of Watchmaking Innovations