Weiss Watch Company CAL 1003

CAL 1003 is a manual winding movement manufactured by Weiss Watch Company in Los Angeles. Based on the ETA-Unitas 6497-1, it operates at 21,600 vph (3Hz) with a 46-hour power reserve and 17 jewels. Over 95% of its components are produced in-house, featuring hacking seconds, rhodium-plated finishing with Geneva stripes, sunburst rays, and blued screws. The movement remains in production.