Скачать или смотреть Joker vs. Moonphase (925/9-Series Movement): A Watchmaker's Deep Dive on Mods & Hidden Flaws

Is the "Joker" a better choice than the "Moonphase"? What are the real-world differences between the 925 and 938 movements? In this in-depth watchmaker's analysis, we go under the hood of these two iconic ultra-thin dress watches. We'll compare them side-by-side, reveal their common failure points, and show you the critical modifications—like the free-sprung balance wheel upgrade—that can elevate their performance. This is the ultimate guide for owners and potential buyers.
Key Topics Covered in this Video:
(00:00) Introduction: 925 vs. 938 Base Movement
(00:18) The "Joker" & "Moonphase" Modules Explained
(01:35) Critical Upgrade: Engraved vs. Printed Bridges
(02:01) The Free-Sprung Balance Wheel Modification
(02:53) Watchmaker's Warning: Common Failure Points (Setting Lever & Jewels)
(04:40) Long-Term Reliability Report & Final Verdict
DISCLAIMER: This video is for educational and horological study purposes only. All content is based on our professional analysis of watch movements. We are not affiliated with any watch brands.

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