10 1/2”’ | Automatic | Swiss Lever | Sweeping Seconds | Date | Day |

Remarks:

• Automatic: hand winding possible
• Date and day with quick setting
• Balance bridge instead of balance cock
• Ball bearing rotor
• Rotor extremely small
• The movement is probably based on a much smaller base movement, e.g. the Seiko 4206 with 7 3/4”’

• Listing ID: 2453
• Manufacturer / Brand: Seiko
• Caliber: 4219A
• Size in French Lignes: 10 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: 23
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Seiko Diashock
• Beats per hour: 21,600
• Balance Type: Glucydur
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1985
• Identification: Movement marked Seiko 4219A. Original data sheet available.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-36#post-4609495
• Country: Japan
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)