Rolex [Caliber 720] - Balance bridge for Breguet spring without regulator - 4022

The base item Rolex [Caliber 720] - Balance bridge for Breguet spring without regulator - 4022 carries the parts list number 4022 specifically for spare parts search for caliber 720.

The parts list clearly assigns this part to the caliber. The technical reference image serves for verifiable identification during overhaul, repair and spare parts search.

For verification, caliber 720, part number 4022 and the designation balance bridge for Breguet spring without regulator are matched together.

Later variants show the available original part, the documented condition and the actual scope of delivery.