Junghans J83; Junghans 683.71; 28 Jwls

Caliber Junghans J83; Junghans 683.71; 28 Jwls

Chronometer; Version with 28 Jewels

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Junghans J83; Junghans 683.71; Front

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Junghans J83; Junghans 683.71; movement

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Junghans J83; Junghans 683.71; movement

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Junghans J83; Junghans 683.71; back

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Magazine advertising; Junghans J83; Junghans 683.71

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timing machine

  • Type: men´s wristwatch
  • Manufacturer on dial: Junghans
  • Trademarks/imprint: JUNGHANS CHRONOMETER AUTOMATIC; Back: 8-pointed star with J centrally; STAINLESS STEEL BACK SHOCK- AND WATERPROOF; 28 JEWELS; No: 061427;
  • Number of jewels: 28
  • Escapement: lever escapement
  • Balance staff: Glucydur-balance wheel, per leg a vertical adjustment screw; Junghans precision regulator (sector gear)
  • Shock protection: Junghans II
  • Particularity: Chronometer, balance-wheel stop
  • Beats per hour: 19.800 A/h
  • Dimensions of movement: 12.5”’
  • Time of production: 1957/58; then superseded by version with 29 jewels
  • Functions: Automatic
  • Display: hour, minute, sweep second
  • Dial: white; gilded indexes, twice at 12; Radium-dots; orbiting black, printed minute lines, 5th line longer
  • Hands: Dauphine, gold-plated, with luminous material
  • Second hand: gold-plated thread
  • Case form: round
  • Case diameter (mm): 35
  • Case material: Chrome plated brass
  • Back: Steel, bolted
  • Strap: no

Remark

Here the earlier version is shown with only 28 Jewels. If information about the later version with 29 Jewels be sought these can be found here: Junghans J83; Junghans 683.71; 29 Jewels

Further information on the caliber Junghans J83 can also be found here: The Top Product: Junghans J83

and also here: The discovery of a rarity