Junghans J83/S; Junghans 683.75, date

Caliber Junghans J83/S; Junghans 683.75

Chronometer; Automatic; Date; Reed's regulator

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Junghans J83/S; Junghans 683.75; Front; photo/collection: R.B.

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Junghans J83/S; Junghans 683.75; movement; photo/collection: R.B.

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Junghans J83/S; Junghans 683.75; Front; photo/collection: R.B.

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Chronometer certificate Junghans J83/S; Junghans 683.75; photo/collection: RB

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Chronometer certificate Junghans J83/S; Junghans 683.75; photo/collection: RB

  • Type: men´s wristwatch
  • Manufacturer on dial: Junghans
  • Trademarks/imprint: JUNGHANS CHRONOMETER AUTOMATIC; Back: Number: 006054; J in 8-pointed star
  • Number of jewels: 29
  • Escapement: lever escapement
  • Balance staff: Glucydur-Ringbalance; Reed's regulator
  • Shock protection: Junghans II
  • Particularity: Chronometer, hacking, date
  • Beats per hour: 19.800 A/h
  • Dimensions of movement: 12.5”’
  • Time of production: 1957 – 1964
  • Functions: Automatic,date
  • Display: hour, minute, sweep second, date at 3
  • Dial: silver; chromed, launched indexes at 12; 3; 6; 9; at 1; 2; 4; 5; 7; 8; 10; 11 black-printed lines; outside black, printed minute lines ; lume dots
  • Hands: rod, chromed
  • Second hand: chromed thread with counter weight
  • Caseform: round
  • Case diameter (mm): 35
  • Casematerial: chromed brass
  • Back: steel; pressed
  • Bracelet/Strap: leather; original with clip-tag

With thanks to RB for the magnificent photos of this watch with complete accessories!

Another example

Movement with dial without case

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Junghans J83/S; Junghans 683.75; Front

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Junghans J83/S; Junghans 683.75; movement

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Junghans J83/S; Junghans 683.75; movement

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Junghans J83/S; Junghans 683.75; movement

Probably this movement was originally in a solid gold case that is likely to be like a gold smelter victim...

Remark

The Junghans 683.75 is the version with Reed's regulator.

Additional information:

A watch of superlatives: Junghans J83

The discovery of a rarity: A special Junghans J83

Junghans J83; Junghans 683.71; Version with 28 Jwls

After 1964 Junghans ceased production of in-house Chronometers with automatic movements, helping itself with ETA movements.