The Oris BC4 01 653 7631 4684-Set was introduced in 2009 as a celebration of the 40th anniversary of the Blue Eagles. This watch has the BC4-style cushion-shaped case with a diameter of 45.00mm, which houses a caliber Oris 674 self-winding movement 24-hour display, small seconds and date. The vertical crown at 2:00 (more accurately 4:00 in this case) rotates the inner bezel.
