Junghans J52
- Kind:
- Indestructible Watch
- Jewels:
- 3
- Production:
- 1931 - 1932
- Type:
- Open face
- Variants:
- J52
- Group number:
- 47
- Size:
- 17"
- Diameter:
- 38,3 mm
- Height:
- 6,7 mm
- f:
- 18000 A/h
- Power reserve:
- 36h
- Balance staff:
- U365, DCN 542, Ronda 1316
- Stem:
- W1707, DCN 691, Ronda 1147
- Mainspring:
- Junghans
#1022 - 398 x 2,2 x 0,21 mm
Berger
2,4 X 15,5 x 0,23 x 420 mm - Reference picture:
- FW.S 1942 page 16
F.W.S 1947 page 91
F.W.S 1958 page 91 - Case size:
- 44 x 60 mm
Junghans catalog 1931
Boys Own Watch, Pillar movement, 3 jewels, 3/4 plate, removable lever and balance bridges.Junghans catalog 1932
Pillar movement, 3 jewels, 3/4 plate, removable lever and balance bridges, anitmagentic hairspring,
brass case nickelled, mi-concave crystal, white or gold dial. |  |
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