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Old 30 July 2018, 07:45 AM   #1
daveo5
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Join Date: Dec 2016
Location: Las Vegas NV
Watch: 14060M COSC
Posts: 1,336
Operating measurements of my Seiko Prospex Limited

Using my Lepsi scope, I obtained these measurements: frequency- 21600 a/h, rate variations +1.9 s/d, amplitude 283 degrees and a beat error 0.3 ms. The watch is a SRPB01K12, 4R36-05W0.


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