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

Remarks:

• Date: quick setting by switching 19:30 – 24:00
• Wheel train and motions works are driven separately by the mainspring barrel
• Movement family:
  • FE 3600: Hand winding, direct sweeping seconds
  • FE 3610: Automatic, direct sweeping seconds
  • FE 3601: Hand winding, direct sweeping seconds, date
  • FE 3611: Automatic, direct sweeping seconds, date
  • FE 3602: Hand winding, direct sweeping seconds, date, day
  • FE 3612: Automatic, direct sweeping seconds, date, day
• Automatic movements also built with 21 instead of 17 jewels

• Listing ID: 2931
• Manufacturer / Brand: FE
• Caliber: 3612
• 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 & Day
• Jewels: 17
• Setting Lever Screw/Pin Position: Right
• Balance Position: Left (240 - 360°)
• Shock Protection: Incabloc
• Beats per hour: 21,600
• Balance Type: Nickel
• Power Reserve: Approx. 44 - 47 hours
• Production Period: Unknown, probably around 1970
• Identification: Original data sheet available. Marked with FE logo and 3612 under the balance wheel.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-31#post-4043265
• Country: France
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)