Erwin Sattler Mechanica M1 Upgrade Kit: REGULATOR DIAL
The design is similar to the classic precision clocks from the last century and comes very close to the actual Model Classica Secunda 1985 by Erwin Sattler. The kit includes the dial, an intermediate plate, three additional wheels with a new counterweight for the minute hand, a new hour, minute and a new second hand (the domed hands in the picture are another upgrade).
