17 3/4”’ | Hand Wind | Swiss Lever | Small Second |

Remarks:

• The movement is also available in 17”’, 18 ½”’, as well as 16 size with both negative and positive winding. All variants are available in both Lépine (open face) and Savonnette (hunter) versions.
• 22/12 is the height of the movement in French lines (22/12”’ = 4.1 mm). The movements with 17”’, 18”’ and 18 ½”’ are each available in heights 22/12 and 26/12.

 

• Listing ID: 641
• Manufacturer / Brand: Reconvilier
• Caliber: 18''' 22/12 Lépine
• Size: 17 3/4‘‘‘ (according to manufacturer 18''')
• Shape: Round
• Winding: Manual (Crown)
• Hand Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date & Day: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Unknown
• Identification: Listed in the Classification Horlogère of 1939. Registered in 1923 by the Société Horlogère Reconvilier in the Swiss Official Gazette of Commerce as model No. 181.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-56#post-7880842
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)