PRIM 0121

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11”’ | Hand Wind | Swiss Lever | Small Seconds | Date |

Remarks:

  • Part of the NH movement family (internal designation of Prim) with many variants:
    • NH: Small seconds, without date, without shock protection
      • K25, 010, 0101, 011, 0111 (designation until 1965)
      • 50, 50.1 (designation from 1965)
    • NH-D: Small seconds, date, without shock protection
      • 012, 0121 (designation until 1965)
      • 52, 52.1 (designation from 1965)
    • NH-CN: Indirect sweeping seconds, without date, with shock protection (ELAST-BLOK)
      • 013 (designation until 1965)
      • 56 (designation from 1965)
    • NH-C: Indirect sweeping seconds, without date, without shock protection
      • 014, 0141, 0142, 0143 (designation until 1965)
      • 55 (designation from 1965)
    • NH-CD: Indirect sweeping seconds, date, without shock protection
      • 015, 0151, 0152, 0153 (designation until 1965)
        Differences between the variants not clear, contradictory information available.
        Variant 0153 possibly without friction spring for second wheel
      • 57 (designation from 1965)
    • NH-N: Small second, without date, with shock protection (ELAST-BLOK)
      • 016 (designation until 1965)
      • 51 (designation from 1965)

 

  • Listing ID: 1548
  • Manufacturer / Brand: PRIM
  • Caliber: 0121
  • Size in French Lignes: 11'''
  • Shape: Round
  • Winding: Manual (Crown)
  • Hands Setting: Crown
  • Seconds Hand: Small seconds
  • Escapement: Lever (Swiss, English, Glashütte)
  • Date, Day, Month...: Date
  • Jewels: 15
  • Setting Lever Screw/Pin Position: Left
  • Balance Position: Bottom (120 - 240°)
  • Shock Protection: None
  • Beats per hour: 18,000
  • Balance Type: Monometallic screw balance with Breguet hairspring
  • Power Reserve: Unknown
  • Production Period: 1959 - 1968 (all variants of the NH movement family listed below)
  • Identification: Movement marked with PRIM and TYP 0121 (under balance)
  • External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-45#post-5894532
  • Country: Czech Republic
  • Contributor ©: Uhrforum.de member buchenhain

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