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Rolex President Model Reference
Rolex Ref. 3055 The Rolex 3055 is a very good movement. The 3055 is found in many older version of the President models that have the day and date features. Removing the date wheels is very simply on these watches. After the dial has been removed both date wheels can be observed. These can be lifted out from their positions at this point. The outer ring that these rest in is held in with two small screws. Many of these movements that have date change problems often result from one or both of these small screws becoming loose. In some cases it is possible for the head of the screw to break and fall into other parts of the movement preventing it from operating correctly. The three pictures below show a 3055 movement. The first picture shows the dial side of the movement where the date wheels fit. In the upper left corner of the picture you can see one of the broken screws. The lower screw was also found to be loose. This prevented the date functions to operate. The second picture shows the upper plate of the movement. This is where the oscillating weight would mount. The third picture is very interesting. This picture shows one half of a broken screw head that worked its way from under the dial, which was one of the two screws mentioned above, and found its way to the underside of the mainspring barrel. This was causing the watch to run very poorly and at times no at all.
Proper maintenance and service schedules of your Rolex can help to prevent these types of common service problems. Notice the third picture and how the broken screw was cutting into the mainspring barrel cap.
The above four pictures show another Rolex 3055 movement, dial and the two date and day indicators. The two indicators are part numbers 5134 and 5135. This movement shows the star wheel removed from the center of the movement. The two indicators fit onto the star wheel. You will notice that the openings on the two indicator wheels match the star wheel. There is also a small brass dial washer that is installed before the dial is secured to the movement. The dial on this particular movement has been refinished. RETURN TO ROLEX WATCH MAIN PAGE
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