The Deep Track, Ep. 94 - What's Up with Zenith, Jean-Claude Killy, and a New COSC Standard episode artwork

EPISODE · Feb 19, 2026 · 27 MIN

The Deep Track, Ep. 94 - What's Up with Zenith, Jean-Claude Killy, and a New COSC Standard

from The Deep Track · host Blake Buettner

Send us Fan MailThis 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 taking place. All this and more broken down in this episode. Show Notes:The Deep TrackA Lange & Sohne Boutique in ChicagoBreitling Enters F1 with Aston Martin PartnershipPrometheus Ocean DiverBrian GreenZenith Chronomaster Original Triple Calendar Lapis Lazuli ReviewJean-Claude KillyRolex 6236 Dato Compax ‘Killy’Killy Wearing a BreitlingCOSC Excellence Chronometer StandardSupport the show

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...

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The Deep Track, Ep. 94 - What's Up with Zenith, Jean-Claude Killy, and a New COSC Standard

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This episode was published on February 19, 2026.

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Send us Fan MailThis 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...

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