Sellita SW510-BH-A

The Sellita SW510-BH-A is an automatic chronograph movement manufactured in Switzerland. It operates at 28,800 vph with a power reserve of approximately 62 hours and contains 27 jewels. The movement features a bi-compax layout with a 30-minute counter at 3:00, a small seconds sub-dial at 9:00, and a date window at 6:00, along with hand winding, quickset date, hacking seconds, and Incabloc shock protection. This caliber is used by Titoni in the Heritage Bi-Compax Chronograph and by Christopher Ward in the C65 Chronograph.