O. Maire 19 1/2''' Roskopf

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19 1/2”’ | Hand Wind | Pin Lever | Small Seconds |

Remarks:

  • Lateral anchor
  • Pillar construction
  • Barrel extends slightly beyond the movement plate
  • The intermediate wheel between the crown wheel and ratchet wheel allows the third wheel to be omitted from the wheel train (see patent).

 

  • Listing ID: 644
  • Manufacturer / Brand: O. Maire
  • Caliber: 19 1/2''' Roskopf
  • Size: 19 1/2'''
  • Shape: Round
  • Winding: Manual (Crown)
  • Hand Setting: Crown with pin/pusher
  • Seconds Hand: Small seconds
  • Escapement: Pin Lever
  • Date & Day: None
  • Jewels: 3
  • Setting Lever Screw/Pin Position: Center
  • Balance Position: Left (240 - 360°)
  • Shock Protection: None
  • Beats per hour: 17,280
  • Balance Type: Pseudo screw balance
  • Power Reserve: Unknown
  • Production Period: Unknown, probably around 1930
  • Identification: Not listed in any movement finder known to me. Described in Swiss patent CH162784 by Otto Maire from 1932.
  • External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-56#post-7866973
  • Country: Switzerland
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

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