Reference:16600: Difference between revisions

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Add 16600 Christie's lot anchor image (Monochrome / Christie's source) — MK1 section
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===MK1 — tritium era (1989 to ~1998)===
===MK1 — tritium era (1989 to ~1998)===
[[File:Ref 16600 christies lot.webp|thumb|right|280px|alt=Rolex Sea-Dweller 16600 — Christie's lot photograph showing the late-1990s production with matte black dial, applied indices, Triplock crown, and helium escape valve at 9.|16600 lot example — Christie's photograph. The 16600 spans 1989-2009 across four dial generations (MK1 tritium → MK2 Luminova → MK3 Super-LumiNova → MK4 short-FT).]]


The earliest 16600 carries a tritium-painted dial with the "SWISS - T<25" marking at 6 o'clock — the post-1971 Bern Convention spec that says the watch's luminous material is tritium-based, less than 25 millicuries. This is the long opening of the production run, R-prefix serials through late U and into early A. The dial inherits the late-16660's white-gold-surround applied indices, with tritium plots applied behind the surrounds. Hands are tritium-matched.
The earliest 16600 carries a tritium-painted dial with the "SWISS - T<25" marking at 6 o'clock — the post-1971 Bern Convention spec that says the watch's luminous material is tritium-based, less than 25 millicuries. This is the long opening of the production run, R-prefix serials through late U and into early A. The dial inherits the late-16660's white-gold-surround applied indices, with tritium plots applied behind the surrounds. Hands are tritium-matched.