6 3/4 x 8”’ | Hand Wind | Swiss Lever | Indirect Sweeping Seconds

 

• Listing ID: 4285
• Manufacturer / Brand: Otero
• Caliber: 437
• Size: 6 3/4 x 8'''
• Shape: Form
• Winding: Manual (Crown)
• Hand Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date & Day: None
• Jewels: 21
• Setting Lever Screw/Pin Position: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: Rufa Anti-Shock
• Beats per hour: 21,600
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1975
• Identification: Movement marked 437 under the balance. Movement container marked with OTERO.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-13#post-2398441
• Country: Germany
• Contributor ©: Uhrforum.de member malikka