Family: ETA 2850-287917 jewels50h power reserve28,800 vph (8 Hz)
ETA 2850 automatic movement with date and day complications, sweep centre seconds, hacking seconds (stop lever), flat hairspring, ball-bearing oscillating weight, and separate date/day correctors. Parts list covers both flat and curved dial variants of the date indicator.
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Jewel Count
17 jewels
Power Reserve
50h
Frequency
28,800 vph (8 Hz)
Height
4.3mm
Display Type
Analog
Shock Protection
Incabloc
COMPLICATIONS
DateDay
FEATURES
Sweep SecondsHacking SecondsHand WindingQuickset DateQuickset Day
QUICK FACTS
BRAND
TYPE
Manual WindingSTATUS
DiscontinuedMANUFACTURE
In-houseLAUNCH YEAR
1976CALIBER FAMILY
ETA 2850-2879COUNTRY
SwitzerlandALSO KNOWN AS
eta 2850