First Milgauss antimagnetic movement (1,000 gauss resistance). Cal. 1030 base with soft iron Faraday cage shielding. Chronometer-certified. Used in Milgauss refs 6543 and 6541 (1954-1960). 18,000 BPH.
Movement Type
Automatic
Jewel Count
25 jewels
Power Reserve
48h
Frequency
18,000 vph (5 Hz)
Diameter
28.5mm
Height
5.85mm
Rotor Type
central_rotor
Winding
automatic_bidirectional
Shock Protection
kif