1980s IWC Ingenieur automatic ref. 3506 "The Bear"

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Designed by Gérald Genta, the Ingenieur 3506 is a relic of the "Skinny" era, where ultra-thin profiles met industrial integrated design. This rare "Bear" variant features a unique dial texture—a graph-paper-like grid punctuated by a subtle "bear" motif at 6 o'clock—that adds a layer of playful mystery to an otherwise clinical machine. With its gold bezel and screws set against steel, it is a "Two-Tone" masterpiece of the 1980s, offering high-level anti-magnetic protection in a sophisticated, sculptural package.