Caliber:
link A restored early 1950s Zenith Caliber 135-O; each example previously placed first in various Observatory
link chronometer competitions in NeuchâtelFunctions: Hours, minutes, secondsDiameter: 30mmThickness: 5mmPower Reserve: 40 hoursWinding: ManualFrequency: 2.5 Hz / 18,000 vphJewels: 19Additional Details: Restoration
link by Kari Voutilainen