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Serial Numbers
 The serial number helps to find out the date of manufacturing. |
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Model References
 These numbers characterize the models and the used materials. |
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Clasp Codes
 The codes on the clasps decoded.
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Country Codes
 The country code shows for which "market" the Rolex was intended.
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Security Features To provide buying fakes Roex added some security features. |
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Luminous Material
 The used luminous material was changed during the years of production. |
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