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Discussion Starter #1
Hello, my name is Brent and I'm new to the site.

Over the past couple of months or so, my interest in older watches has started to gain momentum. Up until recently, I have never owned an automatic watch, but I am now the proud owner of a couple of older Seiko's (6309 & 6139). With all of this, I started digging through the drawers in my house to take stock in what I have amassed over the years. A decent number of watches, but nothing very interesting, unfortunately.

However, I did run across this watch my mother gave me when I was in college. It's an early to mid 90s Citizen quartz chronograph. Model number is 3510. It's not worth much (monetarily) and screams the 90s, but I sure would like to see it running and to wear it occasionally.

In an effort to get it working, I opened up the case back and tossed in a fresh Energizer SR927W battery. At first it didn't do anything. So, I went to Google and found a 3510 Technical Info PDF on this site (sorry can't add links to posts yet).

I wore this watch for many years, but had completely forgotten how it operated. After a bit of reading, things started to come back to me. It's not like any other watch I've had. Like the way the time is set. It is entirely electrical. You can move it forward/backward a minute at a time with a small turn of the crown. Or do it quicker with a bigger turn of the crown and it starts moving on its own.

Anyways, after a bit of fiddling with it, the thing came alive. Maybe I toggled it between the chrono and normal time modes? Maybe it needed to build up some power reserve or something? I was surprised and happy to see this. I wore it around the house for a bit and placed it where I keep the rest of the watches that are in my rotation. However, a couple hours later, I picked it up again and it had stopped working.

I just wanted to see if any of you are knowledgeable on the Citizen 35XX model/caliber/movement. Maybe you have some pointers as to what might be wrong with it? Or is this something that can't be fixed? It seems the 3510, 3530, 3531, 3560, and 3570 are covered by the same technical document.

Thanks for your time!
Brent

 

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Hi Brent, welcome to the site. One thing to check for is to make sure it really stopped working totally. What I mean is that sometimes the second hand will stop moving, but the hour and minute hands will still move. I've seen this on other similar Citizen movements (3740 and 3745). This usually means it needs a cleaning. This means tearing it down completely, tossing most of the parts in the ultrasonic cleaner, reassembling and relubricating. The movement appears to have three rotors which makes it rather labor intensive (time consuming) to rebuild. If it means a lot to you (sentiment-wise) Citizen would likely just replace the movement if they have any left. Or, if you want to try your hand at fixing it, it may be a good contestant.


On another note, what is the lug size on that watch? I've been looking for some endlinks like that for some time. You may have provided me some options! Thanks!
 

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Discussion Starter #4
Thanks for the info! The minute hand isn’t moving either.


I’m out of town for work, but will be sure to measure it for you when I get back.
 

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Discussion Starter #6
On another note, what is the lug size on that watch? I've been looking for some endlinks like that for some time. You may have provided me some options! Thanks!
Hey, sorry for the slow reply. The lug width is 20mm on this watch. Good luck with your search.
 
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