Blancpain 11C5.4

The Blancpain caliber 11C5.4 is a manual winding movement with a diameter of 26.2 mm and a height of 3.3 mm. It is equipped with 23 jewels, operates at a frequency of 21,600 vibrations per hour, and offers a power reserve of 100 hours, incorporating a silicon hairspring. The movement features small seconds and a date complication, and powers the Villeret Ultraplate.