Gruen 715
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10 1/2”’ | Hand Wind | Swiss Lever | Small Seconds |
Remarks:
- The setting lever spring of the movement shown here is broken
- Some of these movements are hallmarked with 715 next to the balance
- Listing ID: 3176
- Manufacturer / Brand: Gruen
- Caliber: 715
- Size in French Lignes: 10 1/2'''
- Size range mm largest diameter: 22 - 31 mm
- Shape: Round
- Winding: Manual (Crown)
- Hands Setting: Crown
- Seconds Hand: Small seconds
- Escapement: Lever (Swiss, English, Glashütte)
- Date, Day, Month...: None
- Jewels: 15
- Setting Lever Screw/Pin Position: Right
- Balance Position: Bottom (120 - 240°)
- Shock Protection: None
- Beats per hour: 18,000
- Balance Type: Monometallic screw balance
- Power Reserve: Unknown
- Production Period: Unknown
- Identification: Listed in the Gruen Material Catalog No. 453 from 1953.
- External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-28#post-3764327
- Country: Switzerland
- Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
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