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Discussion Starter · #1 ·
H, I have a Seiko sportsmatic 5 day/date 6619-8050 from mid 60s. The minute and second hand periodically stop for 5-10minutes and then restart while the second hand keeps moving at normal rate. I checked the cannon pinion under the hour wheel and the tube part is tight on the gear. Minute and hour hands move normally with the crown stem for time setting. I cannot see anything else causing the problem and think it is further inside the movement. Any ideas or help on this?? Thanks
 
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