Why Hamilton 600 Super Compressor SO FAST?

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Just acquired this watch with claim it had been recently serviced (yes, I know) and it’s running incredibly fast.
Second hand makes it around in 48 seconds. Timed over an hour and it gained 12-13 minutes. That’s fast!

It’s in beautiful condition so may decide to keep it.

Any guess at what’s going on? Is it conceivable that something happened in shipment to cause that? I’ve never had a working watch that ran so fast.

Thank you.
 
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Lubricant migrated to Hairspring causing the spring to stick?
 
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^ this can happen- has happened to me several times.

Magnetism can also be an issue- if it was subject to string magnetism in transit (think of all the equipment it was near at airports, ec), it could use a zap.
Hairsping could be hung up which I’ve also had happen- simply removing the hairsping and letting it “hang” for a second allowed the hang-up to come undone. Then right back in and bam-perfect time.
Either way, it needs to go to a watchmaker to sort it out. Just tell them what you told us- was serviced, sent via mail, now running fast. They Weill immediately look at the hairsping.
Nice watch
 
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^ this can happen- has happened to me several times.

Magnetism can also be an issue- if it was subject to string magnetism in transit (think of all the equipment it was near at airports, ec), it could use a zap.
Hairsping could be hung up which I’ve also had happen- simply removing the hairsping and letting it “hang” for a second allowed the hang-up to come undone. Then right back in and bam-perfect time.
Either way, it needs to go to a watchmaker to sort it out. Just tell them what you told us- was serviced, sent via mail, now running fast. They Weill immediately look at the hairsping.
Nice watch

Thank you both for the suggestions, specifically regarding the hairspring. Supports my desire to keep it and resolve the issue rather than send it back. Seller has offered to pay or at least contribute to whatever needed so sounds like a plan. Just glad to know there a good chance it’s not a huge issue.

Will post more pics in new arrivals. I’ve been looking for one of these for a while.

Cheers
 
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Lubricant migrated to Hairspring causing the spring to stick?

Fingers crossed that’s all it is. Thank you!
 
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Going that fast, first suspect is it's being magnetized... not only that, but also because it's so cheap and easy to check/solve (not needed even opening the case).

Failing that, standard maintenance should offer better hint (i.e. stuck main/hair spring, etc.). All in all if it's running, albeit at that fast pace, it can't be that terrible.
 
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Going that fast, first suspect is it's being magnetized... not only that, but also because it's so cheap and easy to check/solve (not needed even opening the case).

Failing that, standard maintenance should offer better hint (i.e. stuck main/hair spring, etc.). All in all if it's running, albeit at that fast pace, it can't be that terrible.
Thank you. Glad to hear it’s a keeper!
 
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Going that fast, first suspect is it's being magnetized... not only that, but also because it's so cheap and easy to check/solve (not needed even opening the case).

Failing that, standard maintenance should offer better hint (i.e. stuck main/hair spring, etc.). All in all if it's running, albeit at that fast pace, it can't be that terrible.
If the watch can make my iPhone compass move 4 degrees, do we have our answer?

I’m still early on my vintage watch journey, so thank you!
 
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Never trust a seller if they said it was service some say any thing to sell a watch. Have a watchmaker take a look at it to see what it needs most likely a service that was never done. I do that with every watch. Nice watch.
 
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Never trust a seller if they said it was service some say any thing to sell a watch. Have a watchmaker take a look at it to see what it needs most likely a service that was never done. I do that with every watch. Nice watch.
Thanks, I was focused on the dial/case/band and only hopeful about the need for immediate service. Will post when I found out what it needs.
Cheers
 
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Thanks, I was focused on the dial/case/band and only hopeful about the need for immediate service. Will post when I found out what it needs.
Cheers
You had the right thinking when it comes to watches like this. It’s all about cosmetic condition, running or not doesn’t matter as they all need service and there isn’t anything proprietary in there.
Factory bracelet is a massive bonus and worth the premium- you never see these bracelets come up on their own).
I always consider any vintage piece I buy will need a service, if it’s running that’s just a bonus.
 
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You had the right thinking when it comes to watches like this. It’s all about cosmetic condition, running or not doesn’t matter as they all need service and there isn’t anything proprietary in there.
Factory bracelet is a massive bonus and worth the premium- you never see these bracelets come up on their own).
I always consider any vintage piece I buy will need a service, if it’s running that’s just a bonus.
Thanks. I’m really happy with how great it looks and how comfortable the Champion bracelet is on the wrist.
I know you advocate for us all trying smaller watches and this just feels perfect.
 
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Thanks. I’m really happy with how great it looks and how comfortable the Champion bracelet is on the wrist.
I know you advocate for us all trying smaller watches and this just feels perfect.
These 36mm Super Compressors wear perfectly. I know we have a few collectors of the 42mm but those to me would seem massive.
 
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36mm is the best size EPSA case IMO. I settled with a secondary brand as the major brands like Hamilton have really shot up.

 
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Is your Hamilton fitted with the Buren micro-rotor movement?