Seiko 2706A

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7 3/4”’ | Hand Wind | Swiss Lever | Sweeping Seconds | Date | Day |

Remarks:

  • Automatic: bidirectional winding with Seiko Magic Lever, manual winding possible
  • Date with quick setting
  • Day bilingual, with quick setting
  • The movement is also available with 17 jewels

 

  • Listing ID: 3131
  • Manufacturer / Brand: Seiko
  • Caliber: 2706A
  • Size: 7 3/4'''
  • Shape: Round
  • Winding: Automatic
  • Hand Setting: Crown
  • Seconds Hand: Sweeping seconds (central seconds)
  • Escapement: Lever (Swiss, English, Glashütte)
  • Date & Day: Date & Day
  • Jewels: 21
  • Setting Lever Screw/Pin Position: Right
  • Balance Position: Right (0 - 120°)
  • Shock Protection: Seiko Diashock
  • Beats per hour: 28,800
  • Balance Type: Glucydur
  • Power Reserve: Unknown
  • Production Period: Unknown, probably around 1970
  • Identification: Rotor marked with Seiko 2706A. Data sheet available.
  • External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-29#post-3849011
  • Country: Japan
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

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