Just about bet he hit the coil with a screwdriver changing the battery. That's why you take jewelry to jewelers and watches to watchmakers. Yours isn't the first story of damage caused.
As stated earlier, the 7546 coil is a replacement for the coil found in the 7549 movement.
As stated earlier, the 7546 coil is a replacement for the coil found in the 7549 movement.
