Arogno 34
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10 1/2”’ | Hand Wind | Swiss Lever | No Seconds
- Listing ID: 3324
- Manufacturer / Brand: Arogno
- Caliber: 34
- Size in French Lignes: 10 1/2'''
- Size range mm largest diameter: 22 - 31 mm
- Shape: Round
- Winding: Manual (Crown)
- Hands Setting: Crown
- Escapement: Lever (Swiss, English, Glashütte)
- Date, Day, Month...: None
- Jewels: 15
- Setting Lever Screw/Pin Position: Left
- Balance Position: Bottom (120 - 240°)
- Shock Protection: None
- Beats per hour: 18,000
- Balance Type: Monometallic screw balance
- Power Reserve: Unknown
- Production Period: Probably between 1936 and 1939, because TR hallmark from 1936 and new Arogno logo from 1939.
- Identification: Dial side with old Arogno logo and TR mark of Ebauches SA. Shown in the Classification Horlogère of 1936 and in the Flume K1 catalog with a different bridge side and a different lever spring. The SWISSCO Quick-Check (ca. 1960) lists both the variant of the setting lever spring shown here and the one from the Classification.
- External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-26#post-3636844
- Country: Switzerland
- Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
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