13 1/4”’ | Quartz | Sweeping Seconds | Date | Day |

Remarks:

• The Ricoh 689 is a Ricoh 680 with a plastic ring that increases the diameter from 11 1/2”’ to 13 1/4”’, thus enabling the outer day indicator ring

• Listing ID: 14102
• Manufacturer / Brand: Ricoh
• Caliber: 689
• Size in French Lignes: 13 1/4'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Battery
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Quartz
• Date, Day, Month...: Date & Day
• Jewels: 7
• Setting Lever Screw/Pin Position: Right
• Shock Protection: None
• Beats per hour: 32,768 Hz? (not bph)
• Power Reserve: Unknown
• Production Period: Unknown, maybe around 1980
• Country: Japan
• Identification: Movement marked with RICOH and 680 (base movement). Watch caseback marked with reference number which contains caliber designation 689.
• Contributor ©: Uhrforum.de member buchenhain
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-73#post-10149707