Lorsa 237BT
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10 1/2”’ | Hand Wind | Swiss Lever | Indirect Sweeping Seconds |
Remarks:
- Movement family:
- Lorsa 237B: 10 1/2”’, hand winding, small seconds
- Lorsa 237BC: 10 1/2”’, hand winding, small seconds, date
- Lorsa 237BT: 10 1/2”’, hand winding, sweeping seconds
- Lorsa 237BCT: 10 1/2”’, hand winding, sweeping seconds, date
- Lorsa 237B AUT: 13 1/4”’, automatic, small seconds
- Lorsa 237BC AUT: 13 1/4”’, automatic, small seconds, date
- Lorsa 237BT AUT: 13 1/4”’, automatic, sweeping seconds
- Lorsa 237BCT AUT: 13 1/4”’, automatic, sweeping seconds, date
- Listing ID: 3249
- Manufacturer / Brand: Lorsa
- Caliber: 237BT
- 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: Sweeping seconds (central seconds)
- 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: Unknown, probably around 1950
- Identification: Marked with the Lorsa logo and 237B on the dial side. The normal 237B has a small second, the movement with center second is a 237 BT.
- External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-27#post-3692062
- Country: France
- Contributor ©: Uhrforum.de member buchenhain
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