5 3/4 x 6 3/4”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Diafix combined settings at escapement wheel

• Listing ID: 2252
• Manufacturer / Brand: Seiko
• Caliber: 10C
• Size in French Lignes: 5 3/4 x 6 3/4'''
• Size range mm largest diameter: 0 - 22 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17, 21
• Setting Lever Screw/Pin Position: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: Seiko Diashock
• Beats per hour: 19,800
• Balance Type: Glucydur
• Power Reserve: Unknown
• Production Period: Unknown
• Country: Japan
• Identification: Wheel train bridge marked SEIKO 10C. Original data sheet available.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-39#post-5175355