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

Remarks:

• There is a similar Buren Model No. 306
• Hidden pallets
• Crown wheel and ratchet wheel underneath the barrel bridge
• Setting lever spring = click spring!
  The axis of the click reaches to the dial side

 

• Listing ID: 810
• Manufacturer / Brand: Buren
• Caliber: Model No. 305
• Size: 19'''
• Shape: Round
• Winding: Manual (Crown)
• Hand Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date & Day: None
• Jewels: 7
• Setting Lever Screw/Pin Position: Left
• Balance Position: Left (240 - 360°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Bimetallic screw balance
• Power Reserve: Unknown
• Production Period: Around 1903
• Identification: Registered by H. Williamson (owner of Buren) in the Swiss Official Gazette of Commerce on 22.09.1903 as model No. 306. Model No. 306 is not an official caliber designation of the manufacturer, but was used to register the design. Movement marked BUREN.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-46#post-6314384
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)