Ace custom 5740 perpetual calendar movement – 100% replication of all genuine perpetual calendar functions.
All parts are interchangeable with genuine components, making service and upgrades easy.
Both 18K gold and steel cases, modeled from original factory data, have been developed alongside the movement.
The dial can be paired with either a custom dial or a genuine dial – highly flexible.
Perfect for those who want a true perpetual calendar function while having the freedom to choose case material and dial configuration based on budget.
