FHF 691N / ST 691N

71 views

6 3/4 x 8”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

  • Movement family:
    • FHF / ST 69: 18,000 bph, setting lever screw, no seconds, no date
    • FHF / ST 69-21: 21,600 bph, setting lever screw, no seconds, no date
    • FHF / ST 69N: 21,600 bph, setting lever pin, 3/4 plate, no seconds, no date
    • FHF / ST 69N M6: 21,600 bph, setting lever pin, 3/4 plate, no seconds, date (date module 15.3 x 17.8 mm)
    • FHF / ST 69N M8: 21,600 bph, setting lever pin, 3/4 plate, no seconds, date (round date module 19.4 mm)
    • FHF / ST 691: 21,600 bph, setting lever screw, 3/4 plate, sweeping seconds, no date
    • FHF / ST 691N: 21,600 bph, setting lever pin, 3/4 plate, sweeping seconds, no date
    • FHF / ST 691N M6: 21,600 bph, setting lever pin, 3/4 plate, sweeping seconds, date (date module 15.3 x 17.8 mm)
    • FHF / ST 691N M8: 21,600 bph, setting lever pin, 3/4 plate, sweeping seconds, date (round date module 19.4 mm)
    • FHF / ST 692: 21,600 bph, setting lever pin, no 3/4 plate, no seconds, no date
    • FHF / ST 692 M6: 21,600 bph, setting lever pin, no 3/4 plate, no seconds, date (date module 15.3 x 17.8 mm)
    • FHF / ST 692 M8: 21,600 bph, setting lever pin, no 3/4 plate, no seconds, date (round date module 19.4 mm)

 

  • Listing ID: 7965
  • Manufacturer / Brand: FHF / ST
  • Caliber: 691N
  • Size in French Lignes: 6 3/4 x 8'''
  • Size range mm largest diameter: 0 - 22 mm
  • Shape: Form
  • Winding: Manual (Crown)
  • Hands Setting: Crown
  • Seconds Hand: Sweeping seconds (central seconds)
  • Escapement: Lever (Swiss, English, Glashütte)
  • Date, Day, Month...: None
  • Jewels: 17
  • Setting Lever Screw/Pin Position: Right
  • Balance Position: Right (0 - 120°)
  • Shock Protection: Incabloc
  • Beats per hour: 21,600
  • Balance Type: Nickel
  • Power Reserve: Approx. 48 hours
  • Production Period: Unknown, probably around 1978
  • Country: Switzerland
  • Identification: Movement marked with FHF/ST 691N under the balance wheel. Original datasheet from 1978 available.
  • Contributor ©: Uhrforum.de member Badener (Andreas Kelz)

Leave a Reply

Your email address will not be published. Required fields are marked *

Before being published, your comment will be checked by a moderator. Therefore you will not see it immediately!

Scroll to Top