Muhle Glashutte Watch Teutonia IV Lady M1-44-51-LB-V-VII. Granted, beauty is always in the eye of the beholder. But even viewed objectively, the new Teutonia IV Lady is impressive with its elegant two-tone case: Because we use 18-carat yellow gold for the bezel of the elegant ladies' watch. This makes the new model not only a valuable piece of jewelry, but also a timeless beauty.