There are basically 3 types of crowns for wristwatches: plain, dustproof and water resistant. They come in a variety of diameters and thickness. The crown screws onto the stem which is the thin shaft that inserts into the watch movement. Watch cases requiring a water-resistant crown will have a pipe coming out of the case through which the stem fits through.
When new to watch repair one can run into many problems with the function of a watch after servicing has been done. Although there can be multiple reasons for a watch’s poor performance, a large percentage can be traced back to the escapement of the watch. The purpose...
When the tip of a balance staff pivot is flat and the other tip is domed it will cause a difference in the amplitude in horizontal positions.
What is the function of the roller/impulse jewel?Before replacing the impulse jewel, it is first important to understand its function. When the balance wheel turns the Impulse jewel which is attached to the roller table swings back and forth as it passes through the...
What is Watch AdjustingWhen watchmakers talk about adjusting a watch they are basically referring to making the watch keep the most accurate time the watch is capable of. Often times I find myself making hairspring adjustments to make a watch run faster or slower...