Seiko Sports 100 model 7546-6040
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Repaired an old Tissot stylist a while ago, but the only thing I was never happy about was the crystal, polished it however there were some scratches that were too deep to remove. Recently found a matching acrylic crystal from cousins that should fit the watch. The problem is i'm not actually sure how to install the crystal into the case. It doesn't appear to be glued in, and there is a small lip in the crystal and a groove in the case for it to fit into. I tried using a crystal lift and also a crystal press (with round dies) on the old crystal as i don't mind damaging it. Any advice would be appreciated, hoping i'm missing something simple. Thanks! -
By Neverenoughwatches · Posted
As Andy states , the model number points to a battery powered quartz watch. -
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By nevenbekriev · Posted
Of course, donor movement is needed, but the balance/hairspring assembly itself can be saved. OP, You just have to use tweezers and needle to straighten and two tweezers to untwist if needed to rectify the outer coil. What is seen in the middle may be is because the stud pressed to the spring, but we will need pictures after outer coil rectifying. The regulator and stud carrier are snapp-fitted on the antishock assembly. Lift and pry them together with some sharp tool and they will come off. -
A good learning piece but think for the price of a new movement that's all it is. Probably just transfer the rotor if it's Citizen branded.
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