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Rolex reference # 18078, serial # 6,588,689 New in 1980 Caliber 3055, serial number 0585014. The dial may be original that has been refinished. In any event, it needs refinished now. Reference number between the case lugs. 6,588,689 case serial # found between the case lugs.
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Rolex reference # 18078, serial # 6,588,689 New in 1980Caliber 3055, serial number 0585014
The dial may be original that has been refinished. In any event, it needs refinished now.
On April 20, 2005 this watch is performing very poorly. The timing computer can only check it in three positions- all others are outside of specifications.
This is what the screen SHOULD look like- +/- one second, less than .5msand approximately 300 degrees of amplitude.
The computer could only find 3 of the eight positions to measure. This one is crown down.
After thorough examination on the timing machine and final test winder, the watch needs a proper service. The mainspring is not slipping in the barrel and this causes “re-banking” when the watch is fully wound.
Other than the very poor performance of the movement and the flawed dial and hands, this watch seems to be as described and otherwise in nice shape for a 25 year old watch.Jon W. Horton, AWCI/CMW, MBHI, SPW918.592.0870