Seiko 6138 UFO Chronograph: The Quintessential "Dad Watch" - Page 2 - Seiko & Citizen Watch Forum – Japanese Watch Reviews, Discussion & Trading
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Old 07-12-2018, 10:27 PM   #26 (permalink)
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Replacing a watch's crystal with an aftermarket one is generally considered acceptable and does not hurt the watch's value. Replacing the hands can be more problematic. It's not uncommon for a seconds hand to bend. The best remedy would be for your watchmaker to straighten it back out. A faded red or yellow seconds hand can be renewed with a colored Sharpie marker. If you do choose to use a new aftermarket seconds hand, no one will probably ever notice.
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Old 07-14-2018, 04:38 PM   #27 (permalink)
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Thanks for this great thread.
I got my 6138-0010 a while ago and it took me a while to restore it. The hardest part was getting a nice matching bracelet.
It is a JDM proof/proof from October 1970 and has the two piece sweep second hand.
Greetings
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Old 07-14-2018, 06:15 PM   #28 (permalink)
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Agree that this is a great thread. The 6138 has not been on my radar, but the power of your words and pictures have led me to think that I need to put it on my rapidly growing list of Seiko targets.
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Old 07-17-2018, 04:15 PM   #29 (permalink)
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Quote:
Originally Posted by Seiko Hoarder View Post
Replacing a watch's crystal with an aftermarket one is generally considered acceptable and does not hurt the watch's value. Replacing the hands can be more problematic. It's not uncommon for a seconds hand to bend. The best remedy would be for your watchmaker to straighten it back out. A faded red or yellow seconds hand can be renewed with a colored Sharpie marker. If you do choose to use a new aftermarket seconds hand, no one will probably ever notice.
Thanks. I bought an AM crystal but everything else was salvageable. He did a great job straightening the second hand and there's only the slightest bit of yellow missing. All in all, looks great and I'm in for a little less than the "recently serviced " one go for on Ebay. And I know this was serviced with a guarantee.

From February 1971



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Old 07-21-2018, 12:46 PM   #30 (permalink)
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Just to follow up on the service. Either the guy replaced the main spring or it was not used much. Power reserve is well over 40 hours, which is amazing.

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Old 10-26-2018, 08:52 PM   #31 (permalink)
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Hi, friends! Thank you for very interesting information. But I have two questions. 1. Did the kanji/eng days were only with domestic dial or it could were in export dial? 2. The case was only satin (unpolished) or may be polished? I have 0012 with eng/arabic days and polished case is it correct?
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