9 x 9 3/4”’ | Quartz | No Seconds |

Remarks:

• Quartz controlled step motor
• Battery SR909 or SR910 (9 x 0.9 mm, 9 x 1.0 mm)
• This is one of the thinnest quartz movements ever produced, which was used separately in a case. The entire watch measures only 1.79 mm in thickness. The back is 0.2 mm thick, the dial is only a printed plastic foil and is approx. 0.05 mm thick

• Listing ID: 2363
• Manufacturer / Brand: Seiko
• Caliber: 9320B
• Size in French Lignes: 9 x 9 3/4''', Height 0.95mm
• Size range mm largest diameter: 0 - 22 mm
• Shape: Form
• Winding: Battery
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Quartz
• Date, Day, Month...: None
• Jewels: 13
• Shock Protection: None
• Beats per hour: 32,768 Hz (not bph)
• Power Reserve: Unknown
• Production Period: Around 1978
• Identification: Movement marked with Seiko 9320B
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-38#post-4869065
• Country: Japan
• Contributor ©: Uhrforum.de member JackDaniels83