In the world of fine watchmaking, a timepiece can be much more than a precision instrument. Sometimes, it becomes a manifesto—a commitment engraved in steel. This is precisely the case with the new Oris Yangtze Jiangtun Limited Edition, a special release that blends the iconic diving design of the Hölstein-based manufacturer with a mission of vital importance: the protection of the Yangtze finless porpoise.