Rolex [Caliber 730] - Balance cock for Breguet hairspring without regulator - 4022

The base item Rolex [Caliber 730] - Balance cock for Breguet hairspring without regulator - 4022 carries the parts list number 4022 specifically for the spare parts search for Caliber 730.

The special parts list of Caliber 730 explicitly refers to the chart of Caliber 720 for general parts. The technical reference image serves for traceable identification during service, repair and spare parts search.

For verification, Caliber 730, part number 4022 and the designation balance cock for Breguet hairspring without regulator are checked together.

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