10 1/2”’ | Hand Wind | Pin Lever | Small Seconds |

Remarks:

• Click on the dial side

• Listing ID: 4752
• Manufacturer / Brand: Lorsa
• Caliber: 651
• 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: Pin Lever
• Date, Day, Month...: None
• Jewels: 5
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Parechoc (only acts axially and is only fitted on the bridge side of this movement)
• Beats per hour: 18,000
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1957. The original data sheet from Lorsa bears the marking 4-57, this could be a date
• Identification: Listed in the Flume K1 (part from 1958), but without illustration. In the K2 and K3 with illustration. Original data sheet available.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-6#post-1773860
• Country: France
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)