Baume et Mercier Classima Excutive Jump Hour Watch
This beautiful watch from Baume et Mercier is part of the Classima Executive collection. The Ref. 8690 is a a jump hour mechanical watch that uses an automatic ETA caliber modified by Dubois Dépraz into the caliber 14400 with jump hour function. The case is 18K rose gold and measures 39mm. There is a sapphire crystal and a display back that is engraved with the golden ratio and Pi. It is a limited edition of 176 pieces.