Repairing seiko SQ

[Charlie89]

Picked this up for $5 at a yard sale. Brought it to the jeweler to get the battery replaced. In a hurry I didn’t realize it wasn’t ticking until I got home. (Thanks for nothing jeweler). 

Anyways now I feel a bit determined to get it running but have no experience in this. Took the back off and can see the coil doesn’t look perfect. From googling this seems to maybe be the issue? Also the battery doesn’t really stay “seated” it flys out unless held in place. 

Anyone know what model this is? Anywhere to order a coil from? Worth it as a little project for a $5 find?

[SimonJ]

The model number is on the bottom of the dial face. Looks like it's 8123.

Look up the technical data on google and then you'll find the part number. 

[Neverenoughwatches]

On 9/12/2022 at 8:59 PM, Charlie89 said:

Picked this up for $5 at a yard sale. Brought it to the jeweler to get the battery replaced. In a hurry I didn’t realize it wasn’t ticking until I got home. (Thanks for nothing jeweler). 

Anyways now I feel a bit determined to get it running but have no experience in this. Took the back off and can see the coil doesn’t look perfect. From googling this seems to maybe be the issue? Also the battery doesn’t really stay “seated” it flys out unless held in place. 

Anyone know what model this is? Anywhere to order a coil from? Worth it as a little project for a $5 find?

Someone has been a little rough and clumsy with the coil hopefully not your jeweler. You could test it for continuity but i think that its pretty much a given that it is damged. Not particulary difficult to change when they are seperate to the circuit board, just be very careful to avoid handling by the copper coils. Sometimes they are paint  or varnish  protected to toughen them up for handling,  this one looks like raw copper. The battery is held  in place by the tab as indicated, not a great design but fairly standard for Jap. Movements.  The battery can flip out, be sure it is seated effectively under the tab. Look out for any leaked battery residue as this will eventually corrode the circuit board. Happy repairing

Edited September 14, 2022 by Neverenoughwatches

[watchweasol]

Hi The coil looks a bit suspect, parts can be had from Jules Borel  USA. I have checked and the coil is available  at $11.70 on their site.  But first check the battery is ok  as I have known some not work and If Jeweler's change battery's and if the watch does not start they give up as they have no means of testing the watch,  Check out Borel's 

Attached the tech sheet for you.

766_Seiko 8123.pdf

[JohnR725]

On 9/12/2022 at 12:59 PM, Charlie89 said:

Brought it to the jeweler to get the battery replaced. In a hurry I didn’t realize it wasn’t ticking until I got home. (Thanks for nothing jeweler). 

depending upon what you paid take it back to the jewelry store and say it doesn't work.

This is why it's better to go to someplace specializes in batteries the good places will usually give you some kind of a warranty in other words the money you already paid will go to a repair. Good places will usually tell you whether the watch works are not. The problem is anybody can change a battery and it's a fast way to make money but not necessarily good for the customer. 

[SimonJ]

On 9/12/2022 at 8:59 PM, Charlie89 said:

Picked this up for $5 at a yard sale. Brought it to the jeweler to get the battery replaced. In a hurry I didn’t realize it wasn’t ticking until I got home. (Thanks for nothing jeweler). 

Anyways now I feel a bit determined to get it running but have no experience in this. Took the back off and can see the coil doesn’t look perfect. From googling this seems to maybe be the issue? Also the battery doesn’t really stay “seated” it flys out unless held in place. 

Anyone know what model this is? Anywhere to order a coil from? Worth it as a little project for a $5 find?

Any luck with getting this one sorted?