The Timepiece Journal » Geneva Seal

Which watch brands still carry the Geneva Seal? From Patek Philippe to Roger Dubuis, discover the brands committed to this demanding hallmark of Swiss watchmaking.

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.