Junghans J48

Basic Information

NameJunghans J48
ManufacturerJunghans
Launch Year1930
Caliber FamilyDescription
48: open face calibre
48b: open face calibre, hack feature
49: hunter calibre
suffix /1: separate escape-wheel cock

Related calibers
Junghans J48, Junghans J48/1, Junghans J48b/1, Junghans J49, Junghans J49/1
Is COSC certifiedNo

Technical Details

Lignes Dimensions18.5 ‴
Dimensions41.73 mm
Height4.45 mm
Further MeasuresMounting Diameter (Dm): 41.25mm
Winding Gear: 0.05mm
Power Reserve32 hours
Frequency18,000 vph
Jewels15

Complications and Specifications

ShapeRound
Complications
  • Sub Second
  • Chronograph Stopwatch
Regulator TypePinned Regulator (or Index Regulator)
Movement TypeManual
Escapement TypeSwiss Lever
Control TypeBalance Wheel
Winding TypeStem Winding (Crown)
Setting TypeStem Set (Crown Pull)

Additional Information

Hand Sizes1.82 x 1.18 x 0.28mm
Hand Count3
Country Of Manufacture(not set)
NotesRemarks: 1930-
open face calibre
Other data: balance staff: U397 stem: W288 mainspring / battery: Zf3148, 1.60 x 17.0 x 0.21 x 490mm balance staff ronda: 1315 (19)
Signature1930: 37727, Junghans 49/1 - 5458 (Junghans J49/1, hunter calibre)

Metadata

Created AtSep 15, 2023
Updated AtJan 28, 2024, 8:59:56 PM
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