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Opened July 1999, zOwie is the Internet's first and longest running discussion forum dedicated to Omega brand watches.

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Re: How long is "reasonable" to evaluate accuracy?

1) Let it settle in for up to 2 months. I have graphs that prove that the rate could change over this period. I have an excel spreadsheet that I send to anyone that asks. It does all the "math" and lets you see how a watch is doing over time. It also graphs the results. Email me and I'll send it to you. Its the best way to see see a real pattern, versus "have a hunch".

2)As for the clicks, I am wearing my electric blue, stainless bezel SMP as I write this.....
I am now turning the marker from the 12:00 position to 11:00 position.... It takes 10 "click sounds" to get there. 10 clicks per 30 degrees of arc equals 120 clicks per 360 degrees. I dunno what else to say. Could the black bezel be different from the stainless?

MMC

: Just bought a SMP 2254.50 w/ 1120 movement on
: Tuesday (around lunch time). I realize that
: there is a "settling in" period
: for automatic chronometers, but I have it on
: good authority that I shouldn't wait on
: this. I'd like opinions from any of you all
: as well.

: Rough checks against the USNO atomic clock
: showed a 1- to 2-second loss by the end of
: the first evening. Before putting the watch
: "in service," I gave it a full
: wind, and I have worn(and continue to wear)
: it round the clock, including to sleep.
: Thursday morning, down by a clear 3 seconds,
: and by the end of that 24-hour period, it
: had lost over 4 seconds.

: Yesterday evening, I gave it a full-charge
: wind, altho the audible clutch-slip
: indicated that it was already fully wound.
: Now that things really had my attention, I
: made as sure as my eyes, fingers and ears
: could be that it was dead-on w/ the USNO
: clock. Now 12 hours later, -2 seconds or so.

: I'm reminded that COSC standard is -4 to +6
: seconds, and that Omega says its standard is
: -1 to +6 seconds. As I have purchased an
: OMEGA watch, and not something else, I think
: it is reasonable to demand the OMEGA
: precision specification.

: The AD says to give it a week to settle in. The
: AD also insisted the 2254.50 has a 60-click
: bezel, just like my 2531.80 does; I won't
: insult those of you who own these 2 great
: watches by noting what you will notice
: simply by LISTENING as you turn your bezels!

: An Omega expert who I trust very highly says
: that while a chronometer will, indeed,
: settle in over a week and even a couple of
: months, it should *NEVER* be out of COSC
: specifications. (I'm extrapolating from that
: to think the same holds true for Omega
: specifications as well.) So I am inclined to
: force the issue, either exchanging the watch
: for a new one -- and beginning serious time
: checks on that one right away! -- or taking
: a full refund.

: Opinions? Is 48 hours enough to know there's a
: problem? Would you wait, for any reason?

: Thanks!

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