PRIM 015
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11”’ | Hand Wind | Swiss Lever | Indirect Sweeping 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
- 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)
- 015, 0151, 0152, 0153 (designation until 1965)
- NH-N: Small second, without date, with shock protection (ELAST-BLOK)
- 016 (designation until 1965)
- 51 (designation from 1965)
- NH: Small seconds, without date, without shock protection
- Listing ID: 2155
- Manufacturer / Brand: PRIM
- Caliber: 015
- Size in French Lignes: 11'''
- Size range mm largest diameter: 22 - 31 mm
- Shape: Round
- Winding: Manual (Crown)
- Hands Setting: Crown
- Seconds Hand: Sweeping seconds (central seconds)
- Escapement: Lever (Swiss, English, Glashütte)
- Date, Day, Month...: Date
- Jewels: 16
- 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 01 (under balance)
- External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-41#post-5369498
- Country: Czech Republic
- Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
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