8 3/4”’ | Hand Wind | Swiss Lever | No Seconds

 

• Listing ID: 4191
• Manufacturer / Brand: Unitas
• Caliber: 630
• Size: 8 3/4'''
• Shape: Round
• Winding: Manual (Crown)
• Hand Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date & Day: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Incabloc
• Beats per hour: 18,000
• Balance Type: Screw balance
• Power Reserve: 50 hours
• Production Period: Unknown, probably around 1955
• Identification: Marked with the Unitas logo and 630 under the balance. Listed in the "Official Catalogue of genuine Swiss Watch repair parts" from 1955.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-14#post-2594995
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)