The Tangente Sport is a more robust version of NOMOS' signature Tangente watch, having an updated water resistance rating of 100 meters, and SuperLuminova on both hands and dial. Reference 501 is powered by the hand-wound caliber Alpha and does not feature a date window, while reference 531 is powered by the Beta caliber featuring the date at 6:00.
The Alpha caliber is NOMOS Glashütte’s highly acclaimed classic. It was our first movement—and the one that still powers more of their watches than any other. Robust, accurate and reliable, it ticks inside Tangente, Ludwig, Tetra, Orion and Club and all the watches in the 33 Series.
Decentralized seconds, stop-seconds mechanism, Glashütte three-quarter plate, 17 ruby bearings, Glashütte stopwork, Incabloc shock protection, balance spring from Nivarox 1A, adjusted in six positions, tempered blue screws, rhodium-plated movement surfaces with Glashütte ribbing and NOMOS perlage, ratchet and crown wheel with Glashütte sunburst
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