Sea-Gull / Seagull ST1718 / TY2714

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12 1/2”’ | Automatic | Swiss Lever | Small Seconds | Pointer Date | Power Reserve Indicator |

Remarks:

  • Automatik with Magic Lever, bidirectional winding
  • Small seconds without hacking at 6 H
  • Pointer date with small hand at 2 H (correction by pusher at 1 H)
  • Power reserve indicator with small hand at 10:30 H
  • The Sea-Gull ST17 caliber is a derivative of the ST16
    Differences:

    • Seconds hacking only on the ST16
    • In the ST17, the fourth wheel is located at 6 H in order to be able to realize a small second; in the ST16, the escape wheel is located there
  • The ST1780 is part of a very large family of movements:
    • 1700: manual winding, central hour, central minute, small seconds at 6 H
    • 1701: Automatic, central hour, central minute, small seconds at 6 H
    • 1711: Automatic, hour display with small hand at H12 o’clock, central minute, small seconds
    • 1721: Automatic, jumping hour at 12 H, central minute, small seconds
    • 1731: Automatic, central hour, central minute, small seconds at 6 H, date
    • 1741: Automatic, central hour, central minute, small seconds at 6 H, large date
    • 1780: Automatic, central hour, central minute, small seconds at 6 H, date display with small hand, power reserve indicator

 

  • Listing ID: 4059
  • Manufacturer / Brand: Sea-Gull / Seagull
  • Caliber: ST1718 / TY2714
  • Size: 12 1/2'''
  • Shape: Round
  • Winding: Automatic
  • Hand Setting: Crown
  • Seconds Hand: Small seconds
  • Escapement: Lever (Swiss, English, Glashütte)
  • Date & Day: Date
  • Other Functions: Power Reserver Indicator
  • Jewels: 28
  • Setting Lever Screw/Pin Position: Left
  • Balance Position: Left (240 - 360°)
  • Shock Protection: Similar to Incabloc
  • Beats per hour: 21,600
  • Balance Type: Glucydur
  • Power Reserve: 42 hours
  • Production Period: Unknown, probably around 2013
  • Identification: Information from the seller of the watch, Sea-Gull catalog 2013.
  • External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-16#post-2740431
  • Country: China
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

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