Family: 649717 jewels52h power reserve18,000 vph (2.5 Hz)
The ETA 6497-1 is a 16½-ligne (36.60 mm) manual-winding movement, 4.50 mm high, with 17 jewels and a frequency of 18,000 vph (2.5 Hz). ETA quotes a minimum power reserve of 46 hours and a typical one of 52 hours. It has the Lépine layout, with the small seconds at 9 o'clock; the 6498 is its savonnette counterpart, with the small seconds at 6. It descends from the Unitas 6497 of the 1950s.
Last updated 27 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Jewel Count
17 jewels
Power Reserve
52h
Frequency
18,000 vph (2.5 Hz)
Diameter
36.6mm
Height
4.5mm
Display Type
Analog
Winding
Manual
FEATURES
Hand WindingSmall Seconds
QUICK FACTS
BRAND
TYPE
Manual WindingSTATUS
In ProductionMANUFACTURE
In-houseCALIBER FAMILY
6497COUNTRY
SwitzerlandALSO KNOWN AS
eta unitas 6497-1unitas 6497cal. 6497Unitas 6497-1ETA/Unitas 6497-1eta 6497
FOR WATCH DEALERS
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