Movement
Calibre 520
← Back to all Calibres1969
Lignes
8.75
Mounting Diameter
19.4
Thickness
3
Frequency (vph)
21,600
Jewels
17
Power Reserve
40
Complication
Subsidiary Seconds
Power
Manual
Shape
Round
Size
Small
No images yet
Notes
The 520 was a development from the design of the 19.4 calibre and used similar architectural principles. Like the 420, the 520 had a version with no subsidiary seconds, the 528
520: Subsidiary Seconds
528: No Subsidiary Seconds