The Blancpain Bathyscaphe Quantième Complet Phases de Lune watch is powered by an automatic movement inside of a 43.60mm black ceramic case with a rotating bezel. The black sunburst dial reveals a complete calendar including date, day of the week, and month and a moon phase function. It is covered with sapphire crystal. The ceramic bracelet includes a folding clasp. Water resistant to 300 meters.