Family: 277x17/25 jewels46h power reserve21,600 vph (6 Hz)
Instantaneous date showing through aperture in dial, countersunk in the plate, with quick date-setting.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
17/25 jewels
Power Reserve
46h
Frequency
21,600 vph (6 Hz)
Diameter
25.94mm
Display Type
Analog
COMPLICATIONS
Date
FEATURES
Instantaneous Date ChangeQuickset Date
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
DiscontinuedMANUFACTURE
In-houseLAUNCH YEAR
1969CALIBER FAMILY
277xCOUNTRY
SwitzerlandALSO KNOWN AS
eta 2770