Blancpain Villeret Quantième Complet 8 Jours

Blancpain's Villeret Quantième Complet 8 Jours, reference 6639 3642 MMB, has a 42 mm case in red gold. The case measures 13.05 mm thick and carries a folding clasp on its Mille Mailles strap. A sapphire crystal covers the opaline dial. Inside is the self-winding calibre 6639, which stores 192 hours of power reserve, unusually long for a watch of this size. The complete calendar shows date, weekday and month alongside a moon phase display, with small seconds set apart on the dial. The lug width measures 23 mm. Blancpain rates the case to a modest 30 metres.