Rolex [Caliber 720] - Upper and Lower Jewel Ø 130/100, Hole 9/100 - 4027

The base item Rolex [Caliber 720] - Upper and Lower Jewel Ø 130/100, Hole 9/100 - 4027 carries the part list number 4027 specifically for the spare parts search for Caliber 720.

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

For verification, Caliber 720, part number 4027, and the designation Upper and Lower Jewel Ø 130/100, Hole 9/100 are checked together.

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