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Off Hours is a conversational podcast that delves into technology, working with our hands, and other curiosities.
Chris and Jon continue their conversation with independent watchmaker, Christian Lass. They dive into more details about his upcoming watch, complex mechanical marvels, and collaborating with his wife, master engraver, Hanne Gleich.
Part 1 of Jon & Chris’ conversation with Christian
Christian Lass Official website in English (also available in Danish)
Follow Christian Lass on Instagram
Vianney Halter Christian worked with independent watchmaker, Vianney Halter, for several years
Søren Andersen Horological conservator based in Copenhagen, Denmark where Christian worked before joining Vianney Halter
Christian’s CNC Machine Made by the man himself
Microdrilling
ASCO Micro Drill Bits
Aciera Thread Cutting Machine
Aciera Precision Tapping Machine Type ET 3 that Christian Uses
ASCO SPIROLEX Drilling tap
Cabestan Watch The first piece that Christian worked on developing while at Vianney Halter
Mont Noir
Visiting “Musée de la Boîte de Montre” An audio account of Christian’s time at the Watch Case Museum in Mont Noir
Musée de la Boîte de Montre Official website of the Watch Case Museum
Beutler Casemaking Lathe One of Christian’s Beutler casemaking lathes
Brocading Engine
Rose Engine
Breguet
Lindow Machine Works
Patek Philippe Museum Where Christian worked for nearly a decade after his time at Vianney Halter
What are Repeating Watches (including minute repeaters)
Daniel Quare A 17th Century watchmaker credited with inventing the repeating watch
Jaeger-LeCoultre was the foremost supplier of minute repeating watch mechanisms, to brands like Patek Philippe & Vacheron Constantin, throughout most of the 20th century
Optical Comparator Also referred to as a profile projector
How to Prepare a Supersaturated Salt Water Solution
Making Minute Repeater Gongs A superficial look at the gong-making process
An Incomplete Introduction to the Minute Repeater From gongs to governors
Girard-Perregaux 27 The watch caliber that Christian is basing his series of watches off of
An early render of the movement side of the timepiece that Christian is crafting
In Progress A sneak peek at the movement that Christian is creating
The Geneva Seal
Valjoux 23
Valjoux 72
ETA Supplier of watch movements
Jens Olsen’s World Clock One of the more complicated timepieces Christian worked on while at Søren Andersen
Curta Calculator
Odhner Pinwheel Calculator A video from Christian detailing how his Odhner mechanical calculator functions
Curta Calculator A video showcasing Christian’s Curta Calculator
FACIT ESA-0 A Swedish-made electro-mechanical calculator
Antikythera Mechanism
Akanthura Series by Christian’s wife, Hanne
Watch Movement by Hanne with Akanthura Motifs (posted after this episode was recorded )
Gravalance Hanne’s independent engraving workshop n Haarby, Denmark
One Cubic Millimeter Hanne’s 1mm3 project
Hans Christian Andersen Engraved at microscopic scale, in 3-dimensions, by Hanne
Philippe Dufour
Watchmaking by George Daniels
LearnWatchmaking.com by Christian Lass
Off Hours
Off Hours is a conversational podcast that delves into technology, working with our hands, and other curiosities.