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Thread: April 1964 Seiko 5 Sportsmatic Done !!!!!

  1. #1

    April 1964 Seiko 5 Sportsmatic Done !!!!!

    Just finished the partial rebuild of a tatty gold plated Seiko 5 Sports. Serial number dates it to April 1964..

    I battled for hours trying to successfully fit the 2 minute date wheel springs. Numerous hunting with a magnet after they pinged off in all directions (even working covered with clingfilm).

    Now up and running at +8 secs/d face up.

    The real killer is that, as a 6606 movement, there is no quickset for the day or date. Thank god for Youtube where there is a single video that explains the best way to set this up.

    Not doing one of these again !!!


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  3. #2
    MWC is that my watch's Avatar
    Join Date
    Nov 2014
    came for a look stayed for the biskwits
    be fun to see pics as you do it mate

    venus, passion's rockets ,sets afire gentle hearts that music doth inspire,
    through the joys of dance and last play
    leading them to love the sweetest way.
    Blanchy Talks Watches

  4. #3
    Disaster-- the end of the click has sheared.. Unleashed the mainspring. Completely stripped down--lost a tiny washer on the minute wheel(should work without it). Balance may also be a bit dodgy now. Manually made temporary click.. Now the movement no longer thinks it is a 18000 A/h movement, running at 25000 +, Found new click in Japan. Looks a bit terminal as during the strip down found red powder on a jewel (although it looks ok to the naked eye) Bit of a cluster ****.

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  6. #4
    New click spring obtained from japan. Stripped down again and still running fast. Got a demagnetiser on the way, lets hope that does the trick otherwise its scrap time.

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  8. #5
    Savagely Average
    Join Date
    Nov 2014
    Cloud 9
    You sound like quite the DIYer!

  9. #6
    Join Date
    Aug 2015
    Lakeland, Florida
    Assuming it was magnetized previously, how could it have been exposed during teardown and reassembly?

    Retired from Fire/Rescue on 1/05/2019 with 30 years on the job

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