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Submariner Datewheel


RolexSigEp

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Once you remove the hands, manually wind the movement through a couple of 24-hour cycles to get a good idea of EXACTLY where the date changes over. Then, once you know about how many manual turns of the stem it takes to get close to midnight, turn it VERY slowly until the split second the date changes over. STOP.

Install the hour hand & run it through another complete 24-hour cycle to be absolutely sure the hour hand is pointing where you want it to when the date changes over. Do not be surprised if you are off by a few minutes, which means you need to remove the hour hand & repeat the steps to find the exact point of date changeover. Once you have the hour hand where you want it, install the minute hand & run it through another 24-hour cycle to be sure both it & the hour hand line up at exactly 12 when the date changes over. Once you are happy with the positions, install the seconds hand (I would not worry about its exact position since Rolex specs allow for 30 seconds +/- of midnight (you can neurose over it all day trying to get it exact, but if it is within +2/-1 minutes it should be fine).

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