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Option: customized oscillating weight with personal initials
Some of the characteristic elements include a temperature-compensated Invar pendulum
The Troja 16 M is equipped with the extraordinary movement from the Classica Secunda 1995
The modified set contains the dial with cutaway and serial number as well as the top plate with its special milling
5 aneroid capsules with air pressure display in mm/Hg
RUBIES FOR THE ESCAPEMENT LEVER BEARINGS Mechanica M5 Option: customized oscillating weight withThe longevity of the Mechanica M4 Metallica can be enhanced with a set of rubies for the escapement lever bearings. The standard brass bushings will be replaced with non wearing ruby bearings.