- Genuine 2120 movement upgraded to full perpetual calendar functionality
- Original‑data imported white ceramic case
- Lead time: 20 days, limited slots available
This is a new high‑end custom build for the AP 26579CE. It starts with a genuine 2120 movement, which is then upgraded to a full‑featured perpetual calendar. The case is an imported white ceramic unit made to original factory data. Production takes 20 days, and only a limited number of orders are accepted.