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  • Restoration & Build Projects

    Hey guys,

    Something that may be of interest..! I've set about modifying a few of my own pieces as my interest in watches grows (mainly Seiko divers). This has attracted a little attention, so I have since been commissioned to build a few watches to order as well as restore some vintage timepieces in my 'spare time'. Here's one I'm working on currently, a 1979 7548-700b SQ quartz diver; a pretty special piece with significant sentimental value to commence my little interest. I'll be replacing the bezel, bezel insert and upgrading the scratched mineral crystal with a clear sapphire. I'll also be replacing the battery, checking the seals, upgrading the spring bars to new heavy duty items, polishing the case and fitting the super-rare supplied oem dive strap. All original parts will be cleaned and wrapped to store in case my client would like to replace them in the future.

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    I started by completely disassembling the case and storing away all the original pieces for my client (check out the flash damage on the dial!)

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    While I wait for replacement parts to arrive, I've started work on the case to remove the nicks and scratches from 40 years of use. Aside from the obvious & normal grime buildup, the case has significant signs of wear that will for the most part be removed whilst retaining originality. Check out the last 2 photos for a comparison.
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    There are ways to restore the original mineral crystal but for these purposes a replacement sapphire with higher scratch resistance is the go.

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    Check out the different stages of polishing I undertook on the case. It's almost compete pending a finishing polish when everything has arrived. I don't want to change the properties of the case too much, and some of the marks are just too deep to remove safely. Besides, there are a few memories of this watch the owner wishes to retain (it's 40 years in his ownership after all..!).

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    I'll update this with pics of the new replacement bezel & insert, crystal and once I have the strap on.
    Attached Files

  • #2
    Just my 2 cent, but I surely hope the owner knows the historical and collector's value of this one you're working on ( https://www.timekeeper.co.nz/forum/w...7548-7000-1981 ), especially especially a Pepsi -700B like this . That inward-sloping original bezel, once removed, is unlikely to be able to fit back on the way it did prior. I would have swapped two new SKX009s just for one like that. But yes, each to their own.
    On the instruments we entrust to pace our lives, to bear witness to our days, and to be the keepers of the most precious thing we have... time.

    Comment


    • #3
      Originally posted by Don View Post
      Just my 2 cent, but I surely hope the owner knows the historical and collector's value of this one you're working on ( https://www.timekeeper.co.nz/forum/w...7548-7000-1981 ), especially especially a Pepsi -700B like this . That inward-sloping original bezel, once removed, is unlikely to be able to fit back on the way it did prior. I would have swapped two new SKX009s just for one like that. But yes, each to their own.
      He sure does, unfortunately the scratched up bezel isn't the original piece either, so the damage was already done it pretty much fell into my hand with the slightest coaxing.

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      • #4
        Something a little random, I'm also building up a G Shock GBA800. I bought this second hand in December and it had a few chips on the plastic crystal, so set about replacing that first off. Check out the chips up the top of the crystal:

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        Swapped crystal over first, and ordered some parts.

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        Jays and Kays stuff turned up today. Fitted up the bullbars and the strap adapters then had a play on a few different straps - waiting for a proper sized strap to arrive.
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        This one will end up on a black 3 ring nylon zulu with pvd hardware, I just don't have one wide enough at the moment. This is going to be a beast ....!
        Attached Files

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        • #5
          I've been a bit slack on this one while waiting for parts..! The new bezel arrived & I've fitted it up. The original quartz movement was bung (hasn’t run in 10yrs) so I’m swapping in a period-correct 6309A automatic from the 1970’s. Put on the OEM replacement Z22 strap in the interim and upgraded the spring bars.

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          Also picked up a new dial for my SKX yachtmaster mod watch. Will install this with some new hands in the next little while.

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          • #6
            The SKX mod is now complete..! I fitted up the new dial & hands this arvo. Pretty pleased with how this one's come out, check out the before/after!
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            • #7
              The 7548 resto mod is now complete...! Auto movement arrived and I fitted last night. On a winder for a day or so to test, then it’s back to the owner..!

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