Junghans J68

Kind:

Timing watch

Production:

1932 - 1937 (1945)

Type:

Open face

Variants:

J68

Size:

20"

Diameter:

41,4 mm

Height:

7,8 mm

f:

1/5 sec. = 18000 A/h
1/10 sec. = 36000 A/h

Balance staff:

U423/2110

Stem:

W1819

Mainspring:

Nr. 1030:
390 x 2,1 x 0,17 mm

Reference picture:

Jacob 1948 page 41

Jewels:

4

Weight movement:

38g

Weight complete:

92g

Case size:

53 x 74mm

Group Index number:

108/51, 108/52, 108/53
108/56

The production time is confirmed only until 1937, 1949 the J68 is not mentioned anymore in a catalog or pricelist. In the "Marine Dienstanweisung Nr. 2456 - Zeitmeßgeräte der Kriegsmarine" from January 1945 the J68 is mentioned with it's group index number 108/56 - f) Stoppuhren 1/5 Sek. (Zifferblatt mit 1/100 Minuteneinteilung), Fabrikat Junghans 108/56 - which implies that the J68 was built until 1945