20”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Crown wheel and retchet wheel underneath bridges

• Listing ID: 5533
• Manufacturer / Brand: Hahn
• Caliber: Model No. 47
• Size in French Lignes: 20'''
• Size range mm largest diameter: > 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 16
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Bimetallic screw balance with Breguet hairspring
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1908
• Country: Switzerland
• Identification: Registered by Hahn in the Swiss Official Gazette of Commerce on 21.08.1908 as model No. 47. Model No. 47 is not an official caliber designation, but was used to register the design.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-64#post-8943912