Reference:16710: Difference between revisions

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The late 16710 divides on two linked details: the dial text and the movement inside. Stick dial refers to the block-serif printing style used on the final years of production, most commonly from 2005 onward on D-serial watches and continuing through the later Z and M serial examples. The earlier dials use a slightly rounder font; the stick dials use a flatter, straighter font that collectors learned to spot. Visually the change is subtle. Collector-wise it became a shorthand for late production. The Field Manual treats the stick dial as a real and dateable transition, not a service-dial artefact.
The late 16710 divides on two linked details: the dial text and the movement inside. Stick dial refers to the block-serif printing style used on the final years of production, most commonly from 2005 onward on D-serial watches and continuing through the later Z and M serial examples. The earlier dials use a slightly rounder font; the stick dials use a flatter, straighter font that collectors learned to spot. Visually the change is subtle. Collector-wise it became a shorthand for late production. The Field Manual treats the stick dial as a real and dateable transition, not a service-dial artefact.


Caliber 3186 is the late-run movement upgrade that runs alongside the stick dial, though the overlap is not as tidy as the collector shorthand suggests. The 3186 added a Parachrom blue hairspring and a revised GMT wheel at the end of 16710 production, arriving late enough that it is still rare inside the reference. Most 16710 watches built with it come from the final Z and M serial years before the ceramic 116710LN replacement. The clean narrative treats stick-dial as shorthand for 3186. Collector research that has tracked identified examples across forums and dealer listings suggests the overlap is partial: both 3185 and 3186 examples appear on stick dials in roughly comparable proportions, and the stick dial by itself is a printing-font change rather than a caliber tell. A late stick-dial 16710 running on 3186 still sits at the top of the reference's internal hierarchy as the most-upgraded version of the platform before it was discontinued, but a stick-dial 3185 is not a service-part accident. Both belong to the late branch.
Late 16710 collecting often collapses into one shortcut: stick dial equals caliber 3186. That is too neat. The 3186 is the late movement upgrade and usually sits in the final Z and M serial years, but stick dials appear with both 3185 and 3186. A late stick-dial 3186 still sits at the top of the reference's internal hierarchy. A stick-dial 3185 is not an error.


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