Rolex [Caliber 730] - Complete mainspring barrel with automatic winding wheels - 4201

The base item Rolex [Caliber 730] - Complete mainspring barrel with automatic winding wheels - 4201 carries the part list number 4201 specifically for spare parts search for Caliber 730.

The parts list clearly assigns this part to the caliber. The technical reference image serves to reliably identify it during servicing, repair, and spare parts search.

For verification, Caliber 730, part number 4201, and the description complete mainspring barrel with automatic winding wheels are cross-checked together.

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