Self-Correcting, high quality long life and maintenance-free movement for up to 4000mm (4.0m) dials
Stainless steel shafts, bronze, steel and cast iron gearing. Fully maintenance-free for up to a service life of 35+ years
Shaft support tube length from 40mm to 800mm depending on wall thickness

Operation:
Fully automatic self-correcting movement controlled directly from GPS Receiver