ETA Thermoline

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Thermoline is a family of thermo-compensated quartz movements from ETA.

ETA boasts that Thermoline offers "twenty times the accuracy of standard quartz movements". They base this claim on their use of thermo-compensation and adjustment terminals, allowing fine adjustment in response to temperature changes as well as by a watchmaker.

Movements

  • Three-hand calibres with date
    • ETA 956.152 - 7 ¾ lignes, 7 jewels, hour/minute/second hands, date
    • ETA 956.652 - 8 ¾ lignes, 7 jewels, hour/minute/second hands, date
    • ETA 955.452 - 10 ½ lignes, 7 jewels, hour/minute/second hands, date
    • ETA 955.652 - 11 ½ lignes, 7 jewels, hour/minute/second hands, date
  • Three-hand calibres with perpetual date
    • ETA 252.511 - 11 ½ ligne, 7 jewels, hour/minute/second hands, perpetual date
    • ETA 252.611 - 11 ½ ligne, 7 or 11 jewels, hour/minute/second hands, perpetual date
  • Analog chronograph calibres
  • Multifunction analog/digital chronograph calibres
    • ETA 988.352 - 9 ¾ x 11 ½ ligne, 7 jewels, hour/minute hands, LCD screen, alarm
    • ETA E20.341 - 13 ¼ ligne, 27 jewels
  • Very high precision chronometer calibres