Rolex Sub Mariner Reference

This is a Rolex Tudor Sub Mariner.  The dial is marked Tudor, Oyster Prince.  The lower portion of the dial is marked 200 M - 660 Ft. , Rotor, Self Winding.  This watch also features a rotating bezel which turns in both directions.

The pictures below show the movement after the auto wind mechanism has been removed.  Notice the large ratchet wheel in the first two pictures.  You will see a very thin strap that goes across the ratchet wheel.  This strap is held in with two small screws.  This strap keeps the ratchet wheel in place so that it does not ride up on the barrel arbor.  This strap must be removed in order to replace the mainspring.  The mainspring for this movement is Bestfit MSS-WA76.  It measures 6.5 X 10.5 X 12.25.  This mainspring also fits Rolex 720, 740 and 745 movements.

Following are some pictures of the movement that shows the details of the oscillating weight and how it attaches to the movement.  You will notice the large brass wheel in the lower portion of the pictures.  This wheel engages the auto wind mechanism.  This wheel is installed after the auto wind mechanism is installed.  It is held in place by a small steel spring that slides into a groove in the upper portion of the barrel arbor.

The last picture shows the inside of the case back.  It has a design number of 7928 stamped on it.  You will also notice another number or stamping which is III.64.  This indicates that this watch was manufactured in the third quarter of 1964.

Rolex Sub Mariner Registered Design 16800

This Sub Mariner uses the 3035 movement.  The dial is marked Submariner, 1000 ft. 300m.  The dial also indicates that the watch is a Superlative Chronometer, Officially Certified.  The 6 position also has the marking Swiss T<25.  The 16800 design is typically used as a divers watch.  The case tube is extra large and contains two tube gaskets along with one that fits around the outside of the case tube.  The crown is a Triplock type.  Pictures of the 3035 movement can be found in other sections on this site and are not shown here.

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