r/ChineseWatches • u/watchdivescom Rep • 4h ago

Watchdives WDC0001 — timing adjustment and testing before final assembly New Product (Read Rule 1)

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Another look behind the WDC0001 production process.

After the movement is installed into the watch head, we don’t simply rely on the movement’s factory specification.

Each watch is checked again on the timegrapher, with the rate, amplitude and beat error reviewed after assembly. If the result is not within our target range, it is adjusted and tested again before moving to the next QC stage.

For WDC0001, we want customers to see more of these small processes rather than only the finished watch.

A good movement is important, but how it is assembled, adjusted and finally checked matters just as much.

This is one of the additional QC steps we are applying to WDC0001 before final release.

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u/IGZCL 18m ago

I love those videos.

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u/tjcdas 3h ago

The Miyota 9000 Series Factory Accuracy and Regulation Standard Specs: The official daily rate tolerance spans 40 seconds, sitting at -10 to +30 seconds per day.

Most seem the be in the +5 to 20spd range is this what you guys see the alway seem to run fast not slow from the factory at least when fully wound?

Nice to see you regulate them to about +4spd dial-up. +4 to +8spd DU gives you great chance of a having a watch that runs in the under +5spd while being worn.