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Benrus Sir Preston (ETA 1280 Movement) Repair - Part 1

Watchmaker Chris

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Benrus Sir Preston (ETA 1280 Movement) Repair - Part 1

688 просмотров · 11 месяцев назад
Watchmaker Chris
408 подписчиков
688 просмотров · 11 месяцев назад
This is the first in a series of videos where I will repair a 1952 Benrus "Sir Preston" watch with a beautiful waffle dial. The watch has a Benrus DN21 movement, which is actually a rebranded ETA 1280. In his video, I will disassemble and evaluate the watch and its movement. Because the cleaning process is the same for all watches, I will not make a video showing me clean this watch movement. I have a separate video showing the watch cleaning process that you can watch if you want to see how I clean a mechanical watch movement:    • Watch Movement Cleaning   00:00 Introduction 00:35 Initial Timegrapher Readings 01:23 Opening the Case 01:49 Pulling the Hands 03:06 Removing the Movement From the Case 03:25 Comparing the Movement to the ETA 1281 04:47 Removing the Dial 05:43 Hour Wheel Removal 05:47 Extracting the Stem 06:22 Keyless Works Disassembly 09:29 Pulling the Cannon Pinion 10:14 Lower Cap Jewels Removal 11:25 Ratchet Wheel, Crown Wheel and Click Removal 14:17 Train Bridge Removal 15:15 Removing the Drive Wheels and Escape Wheel 16:05 Removing the Barrel Bridge and Barrel 16:43 Removing the Stem Retaining Screw 17:09 Explaining the Shock Protection System 17:41 Upper Balance Cap Jewel Removal 19:45 Removing and properly Storing the Balance Cock and Balance Wheel 21:34 Removing the Pallet Bridge and Pallet Fork 22:29 Opening the Mainspring Barrel and Removing the Spring and Barrel Arbor 25:33 Conclusion Visit my Website: https://watchmakerchris.com Donate so I can keep buying tools and old watches to repair: https://paypal.com/donate/?hosted_but...