11 1/2”’ | Automatic | Swiss Lever | Sweeping Seconds | Date |

Remarks:

• Date with quick setting at middle crown position
• Same movement without suffix or with suffix /1, /2, /3: older generations

• Listing ID: 4801
• Manufacturer / Brand: Durowe / INT
• Caliber: 7525/4
• Size in French Lignes: 11 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Automatic
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: Date
• Jewels: 21
• Setting Lever Screw/Pin Position: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Rufa Anti-Shock
• Beats per hour: 21,600
• Balance Type: Glucydur?
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1975
• Identification: Marked with INT logo and 7525-4 under balance.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-5#post-1587012
• Country: Germany
• Contributor ©: Uhrforum.de member malikka