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 in French Lignes: 17''', Height 3.95 mm
- Size range mm largest diameter: 31 - 40 mm
- Shape: Round
- Winding: Manual (Crown)
- Hands Setting: Crown
- Seconds Hand: Small seconds
- Escapement: Lever (Swiss, English, Glashütte)
- Date, Day, Month...: 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
- Country: Switzerland
- 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.
- Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
- 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
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