Junghans J90 six (6) Jewels

Caliber Junghans J90

Version with 6 Jewels

Junghans-J90-Front.jpg

Junghans J90; Front

Junghans-J90-Werk-movement.jpg

Junghans J90; movement

Junghans-J90-Rückseite-back.jpg

Junghans J90; back

  • Type: men´s wristwatch
  • Manufacturer on dial: Junghans
  • Trademarks/imprint: J in eight-pointed star; Back: J in eight-pointed star
  • Number of jewels: 6
  • Escapement: cylinder escapement
  • Balance staff: antimagnetic flat spiral , three-legged ring balance
  • Shock protection: ohne
  • Particularity: bridge movement
  • Beats per hour: 18.000 A/h
  • Dimensions of movement: 11´´´
  • Time of production: 1932 – 1937
  • Functions: manual winding
  • Display: hour, minute, sub second at 6
  • Dial: Silver; Indices: beam luminous (radium), partially missing; black arabic Numbers (12, 3, 9)
  • Hands: Skeleton with original lume (Radium)
  • Secondhand: not original
  • Case shape: tonneau, 6-angular
  • Case diameter (mm): 30 x 26
  • Case material: Brass, chromed or nickeld
  • Back: Brass, chromed or nickeld

Remark

Junghans-J90-und-J91-Vergleich-Front.JPG

Junghans J90; Junghans J91; comparison; Front

Junghans-J90-und-J91-Vergleich-Rückseite-rear.JPG

Junghans J90; Junghans J91; comparison; movement

The caliber Junghans J90 is the big brother of the Junghans J91, seen here in comparison. On the left side the J90, on the right side the J91. Both are men's watches.

The caliber Junghans J90 and J91 are the only built by Junghans watch movements with cylinder escapement. At that time it was thought that many watchmaker comes cope more easily with a simple cylinder escapement.

The above shown watch is the version with 6 jewels. Here you can find the version with only one jewel: Junghans J90 one (1) Jewel