344 jewels28,800 vph (4 Hz)
The ESA 9154 is a vintage electronic "Dynotron" movement manufactured by ETA SA in Switzerland. Operating at 28800 vph with 344 jewels and Incabloc shock protection, it features a sprung balance with sweep seconds and a calendar mechanism for date display, including a balance-stop device. Derived from the ESA 9150 base caliber, production began around 1970.
TECHNICAL SPECIFICATIONS
Movement Type
Quartz
Jewel Count
344 jewels
Frequency
28,800 vph (4 Hz)
Display Type
Analog
Shock Protection
Incabloc
COMPLICATIONS
Date
FEATURES
Sweep Seconds
More ETA SA movements
QUICK FACTS
FOR WATCH DEALERS
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