Rolex [Caliber 740] - Balance cock for Breguet hairspring without regulator - 4022

The base item Rolex [Caliber 740] - Balance cock for Breguet hairspring without regulator - 4022 carries the parts list number 4022 specifically for spare parts search for caliber 740.

The special parts list of caliber 740 explicitly refers for general parts to the tables of calibers 720 and 730. The technical reference image serves for verifiable identification during overhaul, repair, and spare parts search.

For verification, caliber 740, 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 scope of delivery.