Zenith caliber 5011K

Zenith caliber 5011K
Brand:Zenith
Reference:5011K
Movement:Handwound
Display:Analog
Diameter:50.00
Jewels:19
Reserve:46
Frequency:18000
Hands:Hours, Minutes, Small Seconds
Additionals:Power Reserve Indicator

Description

Hand-wound 'observatory grade movement first introduced around 1960. In 1967 it was named the most accurate chronometer ever tested by the Neuchatel Observatory

All watches using this caliber: