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Well, I have no doubts that both balance wheels are synched. I've seen it, and I am totally OK with that conclusion. But "How ?" still bothers me I don't believe this can happen through the mainplate. The energy would have to follow quite a path to make it through. A chain of components in which som

The # 1 looks more natural. Then #3 #4, the high angle usually gives a dominated situation to the model. Here emphasized by the tilted head. #2, the position of the hand doesn't look very natural.

Not sure they would be willing to produce a new batch of those tubes for few repair needs. Or what would be the cost ? Same with liquids, "pumps"... lot of specific parts related to specific tools and knowledge.

We've all seen big projects dropped brutally in big companies, whether in the watch industry or different. They sometimes pay more attention to the bottom line than customer's relationship. One of my friend had a watch from LVMH group with a very nice and complicated silicon escapement. First time,

There are some major parameters to take into account, that are more era-related or person-dependent : material, technicity, dials/hands and finishing Material : Silicon for instance requires specific technology. Today, it is available because it is also making components for other industries. What i

...9 lines in between two same-colored lines, you multiply with the oscillation duration and you get the measured value. If all measured values equal 1.8s (9 black lines=9 osc.x 0.2s) while events durations are from 1.62 to 1.98, this means that this watch cannot make the difference between 1.62 and

This is related to discretization (going from one analog event to a numerated result). That is, for instance, the reason why CDs are sampled at ~44KHz while the ear is limited to ~22KHz. You need a reference that is twice faster than the measurement instrument. Otherwise you fall into the measuremen