This is an antique German Art Nouveau (Jugendstil) mantle or bracket clock movement and dial, manufactured around 1901 to 1910. The mechanism was produced by Schlenker & Kienzle (later known simply as Kienzle), one of Germany’s oldest and most prominent clockmakers from Schwenningen. 1. Description & Technical Identification The Dial (Front): This is a stunning brass/bronze alloy dial designed in the pure Art Nouveau style, featuring beautifully embossed organic lines and a central relief of elegant poppy flower blossoms. It has two winding arbors (holes), indicating it is an 8-day time-and-strike movement (one spring powers the time, the other powers the hourly chime strike). The Patent Marking: Stamped on the back plate is "D.R. PATENT 125605". "D.R. Patent" stands for Deutsches Reichspatent (Imperial German Patent). Patent number 125605 was officially granted to Schlenker & Kienzle in 1901 to protect a specific mechanical design innovation in their gear trains or strike configurations. The Quality Trademark: The stamped phrase "NON-PLUS-ULTRA" inside a laurel wreath is a Latin maxim meaning "nothing further beyond"—an old-world marketing term used to designate their premium, highest-grade luxury clock movements. The Ratio Stamping (43 / 104): The fractional stamp frac{43}{104} provides internal specifications for clockmakers or repairers. It indicates that this specific gear train configuration requires a pendulum length of 43 centimeters and will beat 104 times per minute. 2. History Founded in 1822 in the Black Forest region, Schlenker & Kienzle grew exponentially by the turn of the 20th century, rivaling companies like Junghans. Around 1900, the Art Nouveau movement (known as Jugendstil in Germany) took over European design. Clocks shifted from heavy, dark, masculine Victorian motifs to soft floral elements, asymmetric lines, and stylized typography—perfectly exemplified by the numbers and poppy patterns on this dial. The primary metal used for this entire assembly is brass, which was the standard and preferred material for German horology during the Jugendstil era. Specifically, it breaks down into two distinct types:The Movement (Gears and Plates): The internal wheels (gears), winding barrels, and the thick front and back plates are made of solid yellow brass. The arbors (the shafts holding the gears), springs, and click work are made of tempered steel for structural strength.The Dial Face: The highly ornate front plate is made of stamped or cast sheet brass. To achieve the two-tone contrast characteristic of the Art Nouveau period, it was chemically treated or partially patinated to create darker, textured recesses, which make the polished golden-brass poppy flowers and numerals vividly pop. This antique Kienzle movement serves as an exceptional find for clock restoration projects, custom horological builds, or as a premium source for authentic vintage parts. On the front, the brass Art Nouveau dial is remarkably well-preserved with no crushed relief work or deep gouges, ensuring that any final display piece will retain its stunning aesthetic value. Meanwhile, a look into the mechanism reveals that the gear train appears entirely complete and undamaged, with all the original brass teeth and steel arbors intact rather than stripped or bent. Whether you intend to house it in a new case or utilize its pristine components to revive another historic timepiece, the structural integrity of both its decorative face and internal mechanics makes it a rare and highly functional asset.