Junghans 600.12; DATO-CHRON

Caliber Junghans 600.12

DATO-CHRON

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Junghans 600.12; Front

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Junghans 600.12; movement

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Junghans 600.12; back

  • Type: mens wristwatch
  • Manufacturer on dial: Junghans
  • Trademarks/imprint: gilded six-pointed star with gilt J; JUNGHANS; electronic; under Center: DATO-CHRON; under 6: MADE IN GERMANY Back: eight-pointed star with J; electronic; Number: 79 895; SHOCK AND WATERPROOF * MADE IN GERMANY
  • Number of jewels: 17
  • Escapement: electrically driven balance oscillating system
  • Balance staff: transistor controlled; Fine adjustment via eccentric
  • Shock protection: Star-Shock
  • Features: electronically controlled balance motor; friction spring; pallet lever; date
  • Beats per hour: 21.600 A/h
  • Dimensions of movement: 13,5'''
  • Production period: 1968 - 1974
  • Functions: balance stop when crown is pulled; date display
  • Display: hour, minute, sweep second, date at 3
  • Dial: round; golden; black, applied bar hour-markers; greater at 12 ; all with black line ; Star applied; printed remaining signature; orbiting black, printed minute-lines
  • Hands: Bar
  • Case shape: round, lugs filled, like pillow; Crown at 4 - 5
  • Case diameter (mm): 36
  • Case material: brass, gilded
  • Back: three parts (inner cover; outer cover; screwed fixing ring for outer cover)
  • Bracelet: none

Remark

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Junghans 600.12; Innendeckel; inner lid

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Junghans 600.12; Front

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Junghans 600.10; Detail Werk; movement

Changing of date by alternating between 21:00 and 24:00.

Movement photos

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Junghans 600.12; movement

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Junghans 600.12; movement dial side

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Junghans 600.12; movement

Speciality

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Junghans 600.12 Testing model; front; collection: Jens Finkbeiner

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Junghans 600.12 test watch; back; collection: Jens Finkbeiner

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Junghans 600.12 test watch; back; collection: Jens Finkbeiner

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Junghans 600.12 Testuhr; back; collection: Jens Finkbeiner

The watch shown is probably a test watch, the bottom is made of Pexiglas, which even leaves room for the battery. On a dial was waived.

This rarity comes from the collection Jens Finkbeiner, with heartfelt thanks!