Citizen Miyota 8200a Rebuild Part 1 of 4

On the worktable today is a Citizen (Miyota) 8200a movement which was popular back in its heydays, that's circa 1974 to the late 70s. It is possible that it may have been last produced in 1980 however don't quote me on that.

It's a 21 Jewel workhorse with central seconds and day and date complications. Fully automatic with a full-size oscillating weight and while it's not hackable it can be manually wound.

In this video, after giving the watch movement and parts an ultrasonic bath, we'll do a complete resassembly from putting together the train wheels, keyless work, day/date wheels, watch hands, etc and testing the midnight date change.

This video is part 1 of 4 and consists of:
Oiling the winding stem
Working on the Keyless Work
Installing the Centre Wheel and Sweep Seconds
Mainspring
Complete Train Wheels
Click and Click Spring
Crown Wheel
Train Bridge

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Out of the Skies, Under the Earth by Chris Zabriskie is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/...)
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