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Ulysse Nardin

Either ETA or Sellita ....

 

I was wondering about the new caliber designation issued by UN. Until now, all 2892-based chronometers without additional modules had the UN-13. The new movement has a different rotor design, but I thought I could have seen a few other tiny differences as well, so I supposed that this could be the Sellita SW-300, which is more or less the same as the 2892A2, but is said to be available as parts kit, while ETA only delivers completely assembled movements.

Regards,
Marcus

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