Blimey! Does this variation in accuracy apply to older Speedmasters as well?
Following it's service in March 2017, Swiss Time Services stated that my 50 year old 321 Speedmaster could vary by about 20 seconds in 24 hours?
Question for
@Archer: (If you have time to answer this one please Al) Could the accuracy vary depending on if the watch is fully wound and worn on the wrist as opposed to being fully wound and placed in an Omega Pouch and carried around for the day?

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