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![JohnStraumann Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::1445730157667528712.png) John Straumann [@JohnStraumann](/creator/twitter/JohnStraumann) on x XXX followers
Created: 2025-07-21 00:30:18 UTC

Tudor steel cases are CNC machined to ±5μm precision then cryogenically treated at –196°C to refine grain structure, boosting hardness and corrosion resistance. Each case is polished by hand before assembly. #Watchmaking #TudorWatches @RolexTudor


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[Post Link](https://x.com/JohnStraumann/status/1947091728931991634)