01 690 7615 4154-Set MB

The Oris BC4 01 690 7615 4154-Set MB has the BC4-style cushion-shaped case with a diameter of 42.70mm, which houses a caliber Oris 690 self-winding movement, which can display a second time zone fully independent of the first. The vertical crown at 2:00 operates the inner rotating bezel.