Blancpain 6639

The Blancpain caliber 6639 is an automatic movement measuring 32 mm in diameter and 7.6 mm in height. It has 35 jewels, operates at a frequency of 28,800 vibrations per hour, winds bidirectionally, and offers a power reserve of 192 hours. It includes small seconds along with date, day, month, and moon phase complications, and powers the Villeret Quantième Complet 8 Jours.