The grandfather of Hi-Beat watches: Seiko LM5740 36000 bph

Today we are working on a 1968 Seiko Lord Marvel with the at the time insanely high beat 5740C movement. Join us for a full service of the watch and a discussion of the concept of high beat rates as well as a look at how this affects the smoothness of the seconds hand.

As ususal we go on a few tangents including getting the sniffles from elephants and how fast an energizer bunny can run when it really, really needs to!
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Tools and resources for watchmaking as a hobby:
https://bit.ly/43yQRmw Watchmaking books
https://bit.ly/3N3rlz3 Watchmaker’s loupe
https://bit.ly/43vOcu4 Watchmaker tweezers
https://bit.ly/3Nm0lfc Moebius lubricants
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https://bit.ly/468Bfbk Rodico
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https://bit.ly/42wAZQf Presto tools
https://bit.ly/3J6UND7 Bergeon tools
https://bit.ly/3X21iwL Horotec tools
https://bit.ly/3X2xiAU Chinese made watchmaking tools
https://bit.ly/3qFqgWk Digital microscope
https://bit.ly/3CkZt4f Ultrasonic cleaner
https://bit.ly/3qAAPtX Ultrasonic cleaning solution
https://bit.ly/43V9HEr Denture cleaning tablet
https://bit.ly/3X1rpUl Chinese “Horia style” jeweling tool
https://bit.ly/3P5EQR7 Demagnetizer
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