Family: A1025 jewels28,800 vph (4 Hz)
The M100 is an automatic movement manufactured by ETA SA, introduced in 2016 as part of the A10 caliber family. It measures 42mm in diameter, beats at 28,800 vph, and has a 25-jewel count with a central winding rotor. The movement features an "open heart" design with the balance wheel visible at 6:00 and includes hacking seconds. It remains in production and is also used by Perrelet as caliber P-391.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
25 jewels
Frequency
28,800 vph (4 Hz)
Diameter
42mm
Display Type
Analog
Rotor Type
Central Rotor
Winding
Automatic (Bidirectional)
FEATURES
Hacking Seconds
More ETA SA movements
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionLAUNCH YEAR
2016CALIBER FAMILY
A10COUNTRY
SwitzerlandALSO KNOWN AS
a10-2
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