Each week at WCL delivers editorial coverage across the spectrum of serious watch collecting—from industry analysis and new release evaluation to archival perspectives and manufacture insights. Weekend Reads curates the week's most substantial pieces: the editorials that reward deeper engagement and merit your weekend reading time. Five pieces worth your attention:
Posts tagged #COSC Excellence Certification
Perspective: COSC Raises the Bar. But How High?
For over half a century, the COSC chronometer certification has served as Swiss watchmaking's most widely recognized quality benchmark. Millions of movements have passed through the laboratories in La Chaux-de-Fonds, Le Locle, and Bienne, emerging with a certificate that confirms one thing: this movement keeps time within the parameters defined by ISO 3159.
