Conceived and developed by watchmaker genius formerly from Ulysse Nardin, Ludwig Oechslin, this Ochs und Junior Annual Calendar (Brass) represents the maximum reduction reference execution. Pure metal with no added color. 42mm case. Grade 5 titanium. Brass dial, date disk, month wheel, weekday wheel. Hand-patinated markers, date dot, month dot, weekday dot.Hand-patinated brass hour and minute hands. Hand-patinated second dot. With extra straps, no box no paper.