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Anonymous Sun Oct 11 02:45:34 2020 No.15631378 [View]
File: 92 KB, 474x450, 300217_1_En_5_Fig3_HTML.png [View same] [iqdb] [saucenao] [google]

>>15630368
>what is the name of these two gears and why do they look so weird? I believe they're a part of the automatic movement...
Those are reverser wheels, which turn the bidirectional movement of the rotor to unidirectional movement to wind the mainspring. Reverser wheels are the most common auto winding mechanism, though there are alternatives like the Seiko magic lever.

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