PRIM 68.4 / 684

91 views

11 1/2”’ | Hand Wind | Swiss Lever | Sweeping Seconds | Date

Remarks:

  • Date with quick setting by turning back to 23:30
  • As the marking of the dot under the balance is often faint, the movement often reads 68x instead of 68.x
  • Over the course of time, the caliber 68 was built in various 68.x variants, which differ in some design features (see extra picture)
  • According to a personal e-mail from PRIM, the caliber 68.2 never went into production. They were supposed to have a riveted balance instead of the pressed one
  • As caliber PRIM 66 also available without date

 

  • Listing ID: 2208
  • Manufacturer / Brand: PRIM
  • Caliber: 68.4 / 684
  • Size in French Lignes: 11 1/2''' (25.7 mm) (11''' according to manufacturer)
  • Shape: Round
  • Winding: Manual (Crown)
  • Hands Setting: Crown
  • Seconds Hand: Sweeping seconds (central seconds)
  • Escapement: Lever (Swiss, English, Glashütte)
  • Date, Day, Month...: Date
  • Jewels: 17
  • Setting Lever Screw/Pin Position: Right
  • Balance Position: Bottom (120 - 240°)
  • Shock Protection: Kif Satellor
  • Beats per hour: 18,000
  • Balance Type: Gold-plated Nickel?
  • Power Reserve: Unknown
  • Production Period: 1976 - 1993 (all variants of the caliber 68 from 1967 - 1993)
  • Identification: Marked 68.4 under the balance wheel
  • External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-5#post-1540969
  • Country: Czech Republic
  • 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Your email address will not be published.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