4. Horology: time measuring systems or devices
  5. Crown or stem details

Pierre-Jean Bonnet

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Timepiece crown including an uncoupling mechanism

Horology: time measuring systems or devices – Crown or stem details
Reexamination Certificate

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Watch case with a composite middle part

Horology: time measuring systems or devices – Cases – With details of center
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2212755

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