Family: 50x1 jewels
The caliber number is not stamped on the metal part; it can be found on the outer plastic part of the movement.
TECHNICAL SPECIFICATIONS
Movement Type
Quartz
Jewel Count
1 jewels
Diameter
23.3mm
Height
3mm
Display Type
Analog
COMPLICATIONS
Big Date
FEATURES
Quickset Date
QUICK FACTS
BRAND
TYPE
QuartzSTATUS
In ProductionMANUFACTURE
In-houseCALIBER FAMILY
50xCOUNTRY
SwitzerlandALSO KNOWN AS
ronda 509cal. 509