Reference:gmt-master-ii-5digit-ceramic-family: Difference between revisions

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=== Caliber 3185 into 3186 ===
=== Caliber 3185 into 3186 ===


The movement story across the family is simpler than the bezel story. Caliber 3186 powered the launch 116718LN at Baselworld 2005 and became the standard GMT-Master II movement for the entire 5-digit ceramic era. The 3186 debut on the 116718LN makes the yellow-gold reference the first Rolex to carry the movement. The 3186 carried a blue Parachrom hairspring, Paraflex shock protection, and a revised GMT wheel that cleaned up the independent-hour-hand mechanism from the earlier 3185.
The movement story across the family is simpler than the bezel story. Caliber 3186 launched in the 116718LN at Baselworld 2005 and is the movement of record across the ceramic 5-digit family. It brought the blue Parachrom hairspring, Paraflex shock protection, and a cleaner independent-hour-hand mechanism than the earlier 3185.


Caliber 3185 remained in service on the late-run aluminum-bezel [[Reference:16710|16710]] through to the end of that reference’s production. On the 5-digit ceramic references, caliber 3186 is the movement of record across every documented example in the current corpus. No caliber 3185-equipped 116718LN, 116713LN, 116710LN, 116710BLNR, or 116719BLRO has entered the source layer. A 3185 transitional branch, if one exists, needs direct book sourcing before it enters the article.
The late aluminum-bezel [[Reference:16710|16710]] still used 3185, but no documented ceramic 5-digit example has surfaced with it. If a true 3185 transitional ceramic watch exists, it needs stronger direct evidence before it is treated as settled.


Power reserve is 48 hours. The 3186 is what collectors mean when they say the Batman and the all-black ceramic GMT share hearts. They do.
Power reserve is 48 hours.


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