Reference:16520: Difference between revisions
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<small>[[Reference:daytona|Daytona]] | <small>[[Reference:daytona|Daytona]] -> '''16520'''</small> | ||
The 16520 is the first automatic Rolex Daytona, produced from 1988 to 2000 with cal 4030, a heavily reworked Zenith El Primero base. Twelve years of production took the Daytona from a slow-moving manual-wind chronograph into the steel sports watch that defined the modern Rolex waitlist era. Seven separately collected dial generations sit inside that run. | The 16520 is the first automatic Rolex Daytona, produced from 1988 to 2000 with cal 4030, a heavily reworked Zenith El Primero base. Twelve years of production took the Daytona from a slow-moving manual-wind chronograph into the steel sports watch that defined the modern Rolex waitlist era. Seven separately collected dial generations sit inside that run. | ||
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== Production outline == | == Production outline == | ||
The 16520 ran for twelve years across eleven serial-prefix batches. | The 16520 ran for twelve years across eleven serial-prefix batches. Each prefix matches a specific dial / bracelet / bezel configuration; the sequence reads cleanly batch by batch. | ||
R-prefix serials are the first 1988 batch and carry the dial that defines first-year 16520 collecting: the Singer-made Floating Cosmograph porcelain dial. L-prefix arrived in 1989 with the related 4-Liner dial, where the OFFICIALLY CERTIFIED line is missing (four lines of text instead of the later five) and the same inverted "6" appears in the hour totaliser. E, N, X, and C prefixes carried the inverted-6 generation through 1990–1992, and the bezel scale shifted in this window from the carry-over 50–200 graduation (with "UNITS PER HOUR" at 3 o'clock) to 60–400 with the legend at 1 o'clock. | R-prefix serials are the first 1988 batch and carry the dial that defines first-year 16520 collecting: the Singer-made Floating Cosmograph porcelain dial. L-prefix arrived in 1989 with the related 4-Liner dial, where the OFFICIALLY CERTIFIED line is missing (four lines of text instead of the later five) and the same inverted "6" appears in the hour totaliser. E, N, X, and C prefixes carried the inverted-6 generation through 1990–1992, and the bezel scale shifted in this window from the carry-over 50–200 graduation (with "UNITS PER HOUR" at 3 o'clock) to 60–400 with the legend at 1 o'clock. | ||