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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: 2025-07-22 00:30:44 UTC

Tudor North Flag debuted in 2015 as Tudor’s first in-house MT5621 movement with a 70h power reserve, Chronometer certification & power-reserve indicator — all inspired by the 1952 British North Greenland Expedition. #TudorNorthFlag @RolexTudor


XX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1947454226013053008/c:line.svg)

**Related Topics**
[greenland](/topic/greenland)
[$stmnsw](/topic/$stmnsw)

[Post Link](https://x.com/JohnStraumann/status/1947454226013053008)