13”’ | Hand Wind | Swiss Lever | No Seconds | Date |

Remarks:

• Dugena 1200 without seconds, although the UT 6452 has a small second
• Date setting by changing from 23:00 to 24:00
• Movement family:
  • 6340: Hand winding, small seconds (base movement)
  • 6450: Hand winding, small seconds, date
  • 6342: like 6340, but different bridge shape
  • 6452: like 6450, but different bridge shape
• The Unitas 6452 is hallmarked 6450, which may apply to the entire movement family
• Around 1976, there was also a renewed version of these movements: 6340N, 6450N, 6342N, 6452N

 

• Listing ID: 2418
• Manufacturer / Brand: Unitas / Dugena
• Caliber: Dugena 1200 = Unitas 6452
• Size: 13'''
• Shape: Round
• Winding: Manual (Crown)
• Hand Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date & Day: Date
• Jewels: 17
• Setting Lever Screw/Pin Position: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Incabloc
• Beats per hour: 18,000
• Balance Type: Gold-plated nickel
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1965
• Identification: Ratchet wheel marked with Dugena 1200. Movement marked UT 6450 under balance wheel. The 6450 differs from the 6452 only in the shape of the bridge (see remarks).
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-37#post-4689785
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)