9SA5
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Hour hand
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Seconds hand
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Minute hand
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Date
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Crown
9SC5
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Center chronograph seconds hand
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Hour hand
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Chronograph minute hand
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Chronograph hour hand
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Minute hand
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START/STOP button
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Small seconds hand
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Crown
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RESET button
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Date
9SA4
<Dial side>
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Hour hand
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Seconds hand
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Minute hand
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Crown
<Case back side>
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Power reserve indicator