Swiss Olympic split second chronograph watch Circa 1980

Limited edition gold oversized skeletonized pocket watch  
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A fine and very rare Swiss limited edition yellow gold oversized Olympic split second chronograph skeletonized high-frequency pocket watch Louis Brandt, circa 1980, brass gilt skeletonized hand engraved lever movement, cut bimetallic compensation balance, 36’000 vibrations per hour, swan neck regulation system, black engraved outer open dial, blued skeletonized hands, subsidiary seconds and minutes counter, outer minute and second tracks, 18 carat yellow gold case, case signed and numbered.
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Diameter: 69 mm
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Signed: Omega
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This watch was made in 1980 in a limited series for the 50 years of Omega’s Olympic timekeeping celebration in Los Angeles in 1932.