From what I understand, the gear train, hairspring and balance are Unitas, but finished by Lang & Heyne; base plate, bridges and most else is made and finished in-house.
I have just completed a short article for a magazine in which I featured the Lang & Heyne Albert of Saxony; I love the movement. It is based on a Unitas but boy does it look good, quite possibly the most beautiful Unitas on the planet. Here are stock imag...
Tim J. can comment further, but my understanding from Marco is that very few of the original Unitas parts are retained -- the base architecture is clearly Unitas-derived, but (IIRC) almost all of the parts, including the bridges, are made by Marco and Joh...
From what I understand, the gear train, hairspring and balance are Unitas, but finished by Lang & Heyne; base plate, bridges and most else is made and finished in-house. - SJX
Thanks for the posting! The movement is based on Lang&Heyne Cal.I . These is original based on Unitas, but with the time there are so many changes that it is an own caliber. For example the Entraxe between second and minute are different to Unitas. A shor...