Learning Wrist Watch Repair on a 1970's Dive Watch | Heuer 8440 Quartz

Welcome to my watch repair channel! In this quartz wrist watch repair tutorial we disassemble and repair my 1978 Heuer 8440 quartz dive watch that I’ve had since high school, which hasn't run for over 30 years! You’ll see the quartz watch movement explained, and you’ll see a variety of watch repair tools and how to use them.

I’m just starting out on my journey into wrist watch repair and watch restoration (horology), and I hope to educate and entertain in this series of watchmaking video tutorials for beginners.

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Watchmaking tools and supplies used in this video (Amazon Associate product links):

Watch Back Opener Tool Kit https://amzn.to/3Mkdh1S
Watch Screw Case Wrench https://amzn.to/3vt0aot
Watch Case Ball Opener https://amzn.to/3vQ2lTl
TOMLOV DM201 HDMI Digital Microscope https://amzn.to/3OmZbPb
Silicone Soldering/Work Mat https://amzn.to/3k0OnrS
Camera Cleaning Blower Kit https://amzn.to/3EtO4PU
8-pc Micro Precision Screwdriver Set https://amzn.to/3jTnJBm
Watch Hand Remover Lever Tools https://amzn.to/36uECz9
Bergeon Rodico Cleaner Putty https://amzn.to/3xGOwsQ
14-pc Precision Tweezer Set https://amzn.to/3JZKPAM
Watch Oiler Pen/Cup Set https://amzn.to/3k0S54M
Watch Movement Holder Set https://amzn.to/3M9HMHU

Index:
00:00 Introduction
01:35 watch inspection – what’s broken?
03:08 beginning disassembly
04:03 how to remove the watch dial
07:55 the keyless works
10:09 disassembling the quartz electronics and the circuit block
11:25 how a quartz watch works animation
14:30 how to identify a watch movement caliber number
17:18 how to fix a damaged watch part by wet sanding polishing
18:30 wrist watch lubrication
23:57 replacing hands on a wrist watch
25:15 re-casing the watch
26:19 final repair and conclusion

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