Data: Rolex cal: 4030 , 1989 - 2000, (base cal: Zenith: 400).
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31 jewels, automatic winding, chronograph, 60 s, 30 min, 12 h counter.
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Size: 31.0 mm.
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H: = 6.55 mm.
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N: = 28800 A/h.
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Power reserve: 50 h.
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For parts related to this movement, see related products.