Montrose 1701 = AM 520

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17”’ | Hand Wind | Swiss Lever | Small Seconds

 

  • Listing ID: 2411
  • Manufacturer / Brand: AM / Montrose
  • Caliber: Montrose 1701 = AM 520
  • Size: 17''', Height 3.95 mm
  • Shape: Round
  • Winding: Manual (Crown)
  • Hand Setting: Crown
  • Seconds Hand: Small seconds
  • Escapement: Lever (Swiss, English, Glashütte)
  • Date & Day: None
  • Jewels: 17
  • Setting Lever Screw/Pin Position: Left
  • Balance Position: Right (0 - 120°)
  • Shock Protection: None
  • Beats per hour: 18,000
  • Balance Type: Monometallic screw balance
  • Power Reserve: Unknown
  • Production Period: Unknown
  • Identification: Movement marked with Montrose Caliber 1701. Listed in the "Official Catalogue of genuine Swiss Watch repair parts" from 1949 as AM 520 - 523, differences not known.
  • External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-37#post-4712532
  • Country: Switzerland
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

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