Off Hours

Christian Lass Part 2

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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
    • ...more
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    Off HoursBy Chris Manning & Jon Edwards
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