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Instructor
Annual Application Guidelines
Curriculum
Watch Repair Fundamental
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Watch Repair Advanced
Quartz Lesson (optional)
Ask Questions by email
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Repair case study: mainspring
全3回
Repair case study: mainspring correction ①.
12:39
Learning Member
Repair case study: mainspring modification (2)
16:25
Learning Member
Repair case study: mainspring modification (3)
8:08
Learning Member
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