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Omega

9300

 

Actually I own the Seamaster Planet Ocean Chrono with the 9300 movement as well as the Seamaster Planet Ocean with the 2500 movement. The 9300 is accurate to the second. For over a year now...not the minute but dead on to the second. There is no doubt in my mind that 9300 is nearly a perfect design. The 2500 circa 2007 is not nearly as accurate...maybe 90-120 seconds a month. The silicon main spring makes a big difference.

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