The Deep Track
The Deep Track
Blake Buettner
The Deep Track, Ep. 94 - What's Up with Zenith, Jean-Claude Killy, and a New COSC Standard
27 minutes Posted Feb 19, 2026 at 7:00 pm.
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Send us Fan Mail This week is a solo episode discussing topics ranging from the Breitling / Aston Martin partnership, to a new COSC chronometry standard set to go into effect this year. A recent review of the Zenith Chronomaster Original Triple Calendar Lapis Lazuli has me thinking about the bigger picture with Zenith, and it also reminds me a bit of another famous reference from Rolex, the 6236 Dato Compax, aka the Jean-Claude Killy, which is rather timely given the winter games currently ta...