How to regulate an automatic Seiko watch? Is your Seiko watch running to fast or to slow? In this easy to follow watch repair tutorial video you will see how we will regulate this Seiko Prospex SPB143J1 Automatic Seiko divers watch with a timing machine. The principle is the same for all seiko watches and many mechanical timepieces.

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Timecodes
00:00 - Intro
00:26 - Open the watch bracelet
01:16 - SEIKO PROSPEX SPB143J1, short review
02:18 - Open the watch case back
03:02 - Take the movement out of the watch case
04:01 - Cheap & reliable watch regulating machine!
04:21 - Measure the movement in 4 different positions
04:49 - What's Beat Error?!
05:20 - Continuation of measuring the movement in 4 different positions
06:46 - Let's look at the average result
07:06 - BEAT ERROR ADJUSTMENT! HOW TO?
07:57 - TIME ADJUSTMENT! HOW TO?
08:39 - Outro & teaser video next week

If you want to support my channel, please use the links down below to buy your watchmakers tools & equipment, consumables, etc. Thank you :-)

- Cheap & Reliable Watch Timing Machine, Weishi No. 1000: https://amzn.to/3sQZGqo

Consumables:
- Cleaning Rodico, Bergeon 6033: https://amzn.to/2UzAUL4
- Finger Cots Anti Static Medium: https://amzn.to/2K8Yzjt

Equipment:
- Soft Anti-Skid Bench Mat, Bergeon 7808-V: https://amzn.to/35GPFCo
- Soft Gel Casing Cushion 75 mm, Bergeon 5395-75: https://amzn.to/2IN2q5x
- Movement Dust Cover Storage Box: https://amzn.to/3xAWbVC

Tools:
- Red Cleaning Stick, Bergeon 6436: https://amzn.to/35CJnn8
- Spring Bar Removal Tool, Bergeon 3153: https://amzn.to/3kIVS4G
- High Precision Oiler, Bergeon 7013-R: https://amzn.to/35InC5w
- Anti-Magnetic Tweezer, Dumont N°1: https://amzn.to/3fc52G4
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- 9 Ergonomic Screwdrivers with spare blades, Bergeon 6899-S09: https://amzn.to/2HbAXJW

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Camera:
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- Canon Macro Lens 100mm: https://amzn.to/38TlIAM

Lighting:
- Falcon Eyes SO-28TD: https://amzn.to/2KkxqKD
- Desk Lamp Arba: https://amzn.to/3nAdT7q

Microphone:
- Audio-Technica AT2020USB+: https://amzn.to/38NGMZA

Tripod:
- Manfrotto MT190Xpr04: https://amzn.to/2Ha1gQG

My website: www.the-watch-doctor.com, www.horlogedokter.be.
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#HowToRegulateSeikoWatch #TimeAdjustment #WatchRepair