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Historical fact: This chronograph was developed in the 1970s by the First Moscow Watch Factory (1MWF) under a strict Ministry of Defense contract for Soviet Navy officers. Designed for naval navigators, it featured a stainless steel case, an internal rotating dual-time bezel, and a telemeter scale. They were strictly military issue and unavailable to the public. Later on, this exact Caliber 3133 platform was used to produce "Sturmankie" watches for the…
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