The Timepiece Journal » Swiss watches

The Geneva Seal certifies craftsmanship. COSC certifies accuracy. Learn the key differences between these two respected Swiss watch certifications.

The Geneva Seal is one of watchmaking's most respected quality hallmarks. This complete guide explains what it certifies, how it differs from COSC, and why it matters.

The Swatch Group is the world's largest watch conglomerate, owning 17 brands from Swatch to Breguet. Learn how Nicolas Hayek's vision saved Swiss watchmaking and built a global empire that controls not just brands, but the entire supply chain.