Caliber (watch)

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A caliber (abbreviated Cal. ), Also caliber called, has been in the watchmaking two meanings:

  1. The series (based on the form and type of movement) of a mechanical movement with the associated manufacturer code , which is necessary for ordering or precise identification.
  2. The size of the movement (the diameter or the size of the movement), usually given in historical lengths such as lines (1 Parisian line corresponds to 2.256 mm) or sizes .

Depending on the design and the positioning of a small second , the calibers are called hunter or Lépine calibers .

Examples

  • Caliber: ETA 2892 – A2
    means a mechanical movement with automatic winding, ball-bearing rotor, stop-seconds device, power reserve approx. 42 hours, manufactured by ETA SA Manufacture Horlogère Suisse , which is still used by many watch manufacturers .
  • Caliber: 10½ '' '
    means a movement diameter of 10.5 lines (23.69 mm)

literature

  • The caliber of the German wristwatch factories. In: The watchmaker week. 1939, p. 446 ff. (To be continued).
  • Karl Stock: The German wristwatch calibers. In: Neue Uhrmacher-Zeitung. 1953, p. 28 f.
  • Helmut Kahlert , Richard Mühe , Gisbert L. Brunner , Christian Pfeiffer-Belli: Wristwatches: 100 years of development history. Callwey, Munich 1983; 5th edition ibid. 1996, ISBN 3-7667-1241-1 , pp. 39-43 and 504 f.

Web links

Individual evidence

  1. ↑ Lukas Stolberg: Lexicon of the pocket watch ; Carinthia Verlag; Klagenfurt 1995; ISBN 3-85378-423-2 ; P. 110
  2. ↑ Fritz von Osterhausen: Callweys lexicon ; Munich 1999; ISBN 3-7667-1353-1 ; P. 163
  3. ↑ watch-wiki: ETA 2892-A2