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very interested in reading that the your 3510.50 is chronometer rated and that you have papers to prove as such. Chronograph yes, chronometer? Was it C.O.S.C rated? They are a great watch, once you get used to the setting peculiarities, (that is, minute hand does not start moving for 30 seconds after engagement.) I love mine.
photographed beside the 3570.50
: I just obtained a Speedmaster 3510. It has a chronometer movement.
: It came with a chronometer certification saying the watch ran
: 2.5 seconds a day fast. The watch runs 8 seconds slow. Could the
: movement have gone out of adjustment during the shipping because
: because of a shock due to rough handling, etc? Not that big a
: deal, just wondering. Thanks everybody.