CaliberDB

Junghans 651.00 (ETA 2451)

Mechanical c. 1963 Self-winding (rotor)
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Notes

1963-1970 balance staff and stem differing from ETA

Dimensions

Width25.6 lignes (57.75 mm)
Height5.3 mm
Stem height1.4 mm
Hands (H × M × S)1.5 × 0.9 × 0.21 mm

Technical data

Beat rate18,000 vph (2.5 Hz)
Lift angle—
Power reserve42 h
Jewels—
Shock protection—
Mobile stud carrierNo

Complications

Self windingRotor
Date No
Day No
HackingNo
ChronographNo

Mainspring

GR codeZf869
Height9.5 mm
Thickness0.11 mm
Length300 mm
Barrel diameter1.3 mm

Overview

TypeMechanical
Manufacturer Junghans
Yearc. 1963
Family —
Clone of —

Documents

None

Updated 7 days ago · 0 revisions