13”’ | Automatic | Swiss Lever | Direct Sweeping Seconds | Date | Day |

Remarks:

• Ring-rotor, winding in both directions

 

• Listing ID: 1323
• Manufacturer / Brand: Citizen
• Caliber: 4103
• Size: 13''', Height 6.45 mm
• Shape: Round
• Winding: Automatic
• Hand Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date & Day: Date & Day
• Jewels: 25
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Yes, type unknown
• Beats per hour: 18,000
• Balance Type: Nickel?
• Power Reserve: Unknown
• Production Period: Approx. from 1964
• Identification: Plate marked CITIZEN and 4103 (under balance wheel)
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-47#post-6370322
• Country: Japan
• Contributor ©: Uhrforum.de member JackDaniels83