Marvin 717 = ETA 2487

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5 3/4 x 6 3/4”’ | Hand Wind | Swiss Lever | No Seconds

 

  • Listing ID: 2639
  • Manufacturer / Brand: ETA / Marvin
  • Caliber: Marvin 717= ETA 2487
  • Size in French Lignes: 5 3/4 x 6 3/4'''
  • Shape: Form
  • Winding: Manual (Crown)
  • Hands Setting: Crown
  • Seconds Hand: None
  • Escapement: Lever (Swiss, English, Glashütte)
  • Date, Day, Month...: None
  • Jewels: 17
  • Setting Lever Screw/Pin Position: Right
  • Balance Position: Left (240 - 360°)
  • Shock Protection: Incabloc
  • Beats per hour: 21,600
  • Balance Type: Glucydur
  • Power Reserve: Approx. 42 hours
  • Production Period: Unknown, probably around 1965
  • Identification: Wheel train bridge marked MARVIN 717. Listed as ETA 2487 in the Flume K3 catalog.
  • External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-34#post-4303007
  • Country: Switzerland
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

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