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frequency reference
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  1. Watchmaking
    Hey guys,I recently acquired a BVLGARI Diagono Professional GMT Flyback and am very impressed with it. But I have noticed strange quirk with the movement I hope you guys could help me with; the running seconds beats at what looks like 3Hz, but when I activate the chronograph both the running...
  2. High Accuracy Quartz watches
    I've been bidding on an old salvaged Seiko QM-10 Marine Chronometer on the 'Bay... The price just keeps going up and up... what do I really want ? Ah Ha, 'there's the rub' as Hamlet liked to say, what I want is a highly accurate time piece to serve as a reference and for the 4 figure price...
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