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Showing results for tags 'eta 27xx'.
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I have just disassembled an ETA 2789 (at least that's what's marked under the balance. It doesn't have the day display) and found the square of the winding stem to be twisted. The function of the watch doesn't seem to be impaired. Winding and setting work fine. My question is, how can this happen? It's a seemingly perfect twist (no bend), and too much torque on the crown would surely cause breakage somewhere else before the square twists. So was it made that way? Why? I've never seen or heard of anything like it.
